Answer:
an acid
Explanation:
A solution with a pH of 2 can be increased to a pH above 7 by adding base (e.g. sodium hydroxide, potassium hydroxide).
What is a base?Bases are chemical substances that have a pH higher than 7 and that can neutralize acids. They have properties such as a bitter taste, slippery feel, and the ability to turn red litmus paper blue. Bases are classified as either strong or weak, depending on their ionization in solution. Strong bases have a high degree of ionization and can rapidly neutralize acids, while weak bases ionize to a lesser extent and have a slower effect on the pH of a solution.
Bases are important in many industrial and biological processes, and are used in cleaning agents, fertilizers, and medicines. The most well-known base is probably sodium hydroxide, commonly known as lye, which is used in the manufacture of soaps, detergents, and other products. Understanding the properties and behavior of bases is important in many fields, including chemistry, medicine, and environmental science.
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does photosynthesis occur in mushroom give a reason to support your answer
Answer:
No
Explanation:
Although mushrooms and fungi have a cell wall like plant cells, fungi are unable to make their own food and must feed on decaying matter to gain the energy needed for survival.
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Evidence that an organisms growth is influenced by the organisms environment
Answer:
local environmental conditions could include availability of food, light, space, and water
Explanation:
Examples of genetic factors could include large breed cattle and species of grass affecting growth of organisms.
21. What is true about photosynthesis?
a. It produces water
b. It takes place in plants and animals
c. It produces carbon dioxide
d. It provides vital organic compounds
e. It requires sunlight energy
Answer:
a and e
Explanation:
What macromolecule makes up a inner region of the cell membrane?
Answer:
Phospholipids
Explanation:
can somebody help me make a claim , evidence and reasoning on “Do you think school days should be made longer?
i need it now please help me
Answer:
i don't think so school days must be shorter and practical session must be longer theory is boring
Answer:
I think school days should not be made longer as this would impact the students mental health. Students attend school for approximately 7 hours a day in which they learn new content, this time being increased would cause stress and burden on students as classes would be longer and time spent at home would be less. Students need enough time to rest and relax their minds, as well as, spend time with their families. If extending school hours, students will have less time for self-care and family time which can lead to depression and loneliness. However, there are benefits of extending school hours such as more time to finish homework. But, a student's health must come first. In conclusions, school days should not be made longer.
DONT SKIP PLS!!
Select all the correct answers.
Which geographic features are associated with a divergent boundary?
A:hydrothermal vents
B:continental mountains
C:ridges
D:subduction trench
E:rift
Answer:
I think the answer is Ridges and Rift
Answer: The correct answers are A. C. and E.
Which geographic features are associated with a divergent boundary?
hydrothermal vents
ridges
and rifts
Explanation: I just took the test on Plato and this is correct
Name of Tail-like organelle used by some protist
Answer:
flagellum
Explanation:
Flagellum enable some protist to move
How is the human life cycle related to the cell cycle of the cells that make up our bodies?
The cell cycle has a direct relationship with the human life cycle.
Impact of cell on human life cycleHuman life cycle is directly related to the cell cycle of the cells that make up our bodies because our whole body is made up of trillions of cells. Cell is the structural and functional unit of an organism. Cells combine together make tissues.
Tissues join together making organ. Different organs combine together forming organ system and different organ system combine together forming human body so we can conclude that cell cycle has a direct relationship with the human life cycle.
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Which equation best represents conservation of matter?
A 6H2O + 6CO2 → C6H12O6 + 6O2
B 6H2O + 6CO2 → C3H6O3 + 3O2
C 3H2O + 3CO2 → C6H12O6 + 6O2
D 6H2O + 10CO2 → C6H12O6 + 4O2
Answer:
A 6H2O + 6CO2 → C6H12O6 + 6O2
Explanation:
The law of conservation of matter states that matter can neither be created nor destroyed in a system. In other words, when elemental matter undergoes a reaction, the amount of elements used must be equal the amount produced.
The equations in this question depicts the overall photosynthetic process where CO2 combines with H2O to produce C6H12O6 and O2. In order for this equation to obey the "conservation of matter", each individual element must be equal on both the reactant and the product side i.e. the equation must be balanced.
The equation that fulfills this is:
6H2O + 6CO2 → C6H12O6 + 6O2
Hence, it correctly describes the conservation of matter.
Answer:
A 6H2O + 6CO2 → C6H12O6 + 6O2
Explanation:
The law of conservation of matter states that matter can neither be created nor destroyed in a system. In other words, when elemental matter undergoes a reaction, the amount of elements used must be equal the amount produced.
The equations in this question depicts the overall photosynthetic process where CO2 combines with H2O to produce C6H12O6 and O2. In order for this equation to obey the "conservation of matter", each individual element must be equal on both the reactant and the product side i.e. the equation must be balanced.
The equation that fulfills this is:
6H2O + 6CO2 → C6H12O6 + 6O2
Hence, it correctly describes the conservation of matter.
Explanation:
Identify the results of a substance losing energy. Select all that apply.
A. The temperature of the substance will increase.
B. The substance will change from the gaseous state to the liquid state.
C. The temperature of the substance will decrease.
D. The substance will change from the solid state to the liquid state.
A 68-year-old woman who presents after a fall reports progressive difficulty climbing stairs for the past 3 months. She also feels a loss balance when rising from a chair. She has a 5-year history of diabetes mellitus for which she takes metformin. Examination demonstrates intact cranial nerve function; normal sensory examination except for mildly decreased touch and vibration in her toes, normal motor function except for 4+/5 deltoid power and 4+/5 hip power bilaterally, and an inability to stand on her toes. Deep tendon reflexes are 2+ but 1+ at the ankles; plantar responses are flexor; cerebellar function is normal except for mild difficulty with heel-knee-shin testing. She has difficulty rising from a chair without pushing up with her hands. These clinical findings are best explained by dysfunction in which of the following regions of the nervous system?A. anterior horn cellB. muscleC. nerve plexusD. peripheral nerveE. spinal cord
Answer:
spinal cord and nerve plexus
Explanation:
Faced with this clinical picture, we would be talking about the affection of the spinal cord and the peripheral nerves that sensually perceive the areas of the epithelium, that is, they give the sense of touch, since the patient is diabetic, it could be deduced that the microangiopathies that this generates Chronic disease over time, can affect the irrigation of certain areas and therefore their inventions, due to lack of supply of oxygen and nutrients.
Diabetics are at risk of affecting both upper and lower limbs, because over time they lose the vascularization and winterization of these areas, thus generating infections or pain imperceptible by the patient.
On the other hand then, it would be ideal to say that the spinal cord with the peripheral nerves that innervate the affected areas, and the cerebellum are affected by the lack of balance or spatial disposition of the patient in relation to their body size.
3. Forces of evolution include
a. DNA mutations
b. lack of migration
c. random mating
d. a large population size
Answer:
A. DNA Mutations
Explanation:
it evolves them in ways that even random mating cannot control
Answer:
A large population size:: summary population size is the number of individuals in a population. population density is the average number of individuals per unit of area or volume. the pattern of spacing of individuals in a population may be affected by the characteristics of a species or its environment.
Similarities and differences of the three types of rocks venn diagram
Answer:
Igneous, Sedimentary & Metamorphic.
Explanation:
The main similarity between Igneous, Sedimentary & Metamorphic is that they are all rocks. These rocks are formed from a number of common type of minerals. One similarity between igneous rock and metamorphic rock, is that they are formed under very high temperatures. The difference between metamorphic rocks and sedimentary rocks is that metamorphic rocks are created from heat and pressure and sedimentary rocks are formed from compaction.
Answer:
A)looking at similarities and differences of certain types of vegetation
E)comparing two different types of landscapes
Explanation:
Got it wrong on edge and this was the answers
How are graphemes related to synesthesia?
Grapheme-color synesthesia is a consistent brain-related phenomenon. A syneshete automatically associates distinct, consistent colors with certain letters, numbers, and/or words. A word that is printed in black on a page or wall in front of you will carry its own specific color when you see it.
Answer:
Grapheme–color synesthesia or colored grapheme synesthesia is a form of synesthesia in which an individual's perception of numerals and letters is associated with the experience of colors. Like all forms of synesthesia, grapheme–color synesthesia is involuntary, consistent and memorable.
Explanation:
it is right
What type of protist is an amoeba and how does it move?
Answer:
Explanation:
An amoeba is a classification of protist (single-celled eukaryotic organism that is neither plant, animal, bacteria, nor fungus) that are amorphous in shape. They move via forming 'feet-like' pseudopodia, which are also used for feeding.
Answer:
Explanation: Amoeba and sarcodines are examples of protists that move by pseudopods. Some animal-like protists move by using cilia. Cilia are hair-like projections that move with a wave-like pattern. The cilia move like tiny oars to sweep food toward the organism or to move the organism through water.
Chloroplast and mitochondria are both involved in energy conversion in cells. Select the other similarities they share. Choose ALL that apply.
A: Contain DNA
B: contain ribosomes
C: contain thylakoids
D: Found in ALL cells
E: surrounded by a double membrane
Chloroplasts and mitochondria are membrane-bound organelles only found in eukaryotic cells.
The similarities between chloroplasts and mitochondria include:both contain their own DNA (Option A)both contain ribosomes (Option B)they are surrounded by a double membrane (Option E)Mitochondria are found in all eukaryotic cells.Chloroplasts are only found in plant cells and some protists (e.g., algae).Both mitochondria and chloroplasts have ribosomes similar to bacterial ribosomes.Both mitochondria and chloroplasts have their own DNA that is independent of nuclear DNA.The thylakoids are membrane-bound compartments only found in chloroplasts.In conclusion, both chloroplasts and mitochondria have their own DNA, ribosomes and they are surrounded by a double membrane (A, B, and E Options are correct).
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ESSAY: How does a seismograph work?
(The essay needs to be 5 sentences)
Answer:
Seismographs record seismic waves. They contain a weight and a pen attached to a spring. The seismograph is bolted to the ground so during an earthquake it moves with the ground, whilst the weight and pen remain still. The pen moves across a rotating paper roll recording the seismic waves.
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I need help , thank youu
Answer:
the structural layers of earth are - the crust, the mantle, the outer core, and the inner core.
What fusion process is occurring in the star Procyon B?
Answer:
Procyon B's progenitor star most likely had around 2.59 solar masses. Estimates suggest that the star spent about 680 million years on the main-sequence, fusing hydrogen in its core. It evolved into a giant and lost much of its mass due to stellar winds
Explanation:
Daphnia (water fleas) are small organisms which feed on algae, algae
are organisms which produce their own food through photosynthesis. The
graph shows the relative numbers of algae and Daphnia in a pond. a) In
which month are the numbers of algae at a maximum?
Answer:
The numbers of algae are at a maximum in May
Explanation:
The Y axis shows how high the population is, so the taller the point, the high the population.
What is the ability of a cell membrane to allow materials to pass through it
called?
A. Catalysis
B. Synthesis
C. Permeability
D. Polarity
Answer:
C. Permeability
Explanation:
Answer:
c
Explanation:
Permeability is the amount of water that a cell membrane can allow to pass through it depending on the size of its pores.
One student read the following information about granite, limestone, and marble.
"Limestone is formed when shells, corals, and remains of sea animals are deposited on the sea bed. Limestone is converted into marble when it is subjected to intense heat and pressure inside Earth. Limestone and marble are buried deep inside Earth where they melt to form magma. When the magma crystallizes, granite is formed." Which of these charts best classifies granite, limestone, and marble? (1 point)
a) Name of rock Granite Limestone Marble
Type of rock Metamorphic rock Sedimentary rock Igneous rock
b) Name of rock Granite Limestone Marble
Type of rock Sedimentary rock Metamorphic rock Igneous rock
c) Name of rock Granite Limestone Marble
Type of rock Igneous rock Sedimentary rock Metamorphic rock
d) Name of rock Granite Limestone Marble
Type of rock Metamorphic rock Igneous rock Sedimentary rock
Which describes electrons?
A.) Electrons move at very fast speeds inside the nucleus of an atom.
B.) Electrons are stationary outside of the nucleus of an atom.
C.) Electrons are stationary inside the nucleus of an atom.
D.) Electrons move at very fast speeds around the nucleus of an atom.
The answer is D.) Electrons move at very fast speeds around the nucleus of an atom.
The option that best describes electrons is as follows:
Electrons move at very fast speeds around the nucleus of an atom.Thus, the correct option is D.
What is Electron?An Electron may be defined as a negatively charged subatomic particle that is significantly found in all atoms and functions as a primary carrier of electricity mostly in solids.
The electrons are always revolving around the nucleus of an atom, while protons and neutrons are localized in the center of an atom known as the nucleus.
Electrons are negatively charged subatomic particles and due to this, they generate an electric field that exerts an attractive force on a particle with a net positive charge and induces a repulsion force on a particle with the same negative charge.
Therefore, the option that describes the electrons is that they move at very fast speeds around the nucleus of an atom. Thus, the correct option for this question is D.
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Please answer if you know????
helppppp
A scientist is designing an investigation to study the impact of UV radiation present in high-altitude habitats on the population of mountain yellow-legged frog. What type population is most likely to be a control group for the study? (4 points)
a
Mountain frogs in low-altitude habitats only
b
Mountain frogs in their natural high-altitude habitat
c
Mountain frogs in a lab setting exposed to UV rays from a sun lamp
d
Mountain frogs in a lab setting with no UV ray exposure
Answer:
c
Explanation:
if the scientist was to look close there skin would be tightened up on the frog it is hard to see but if you look close you could see it
Answer:
C or D I think
Explanation:
D, you could compare frogs with no UV ray exposure to the ones with UV ray exposure
C, you can do the same but reverse
Edit: Meaning of control group is "A control group in a scientific experiment is a group separated from the rest of the experiment, where the independent variable being tested cannot influence the results. This isolates the independent variable's effects on the experiment and can help rule out alternative explanations of the experimental results."
So its more likely to be D
Which ponds will have a higher average oxygen concentration, ponds cooler than 20 °C or ponds hotter than 20 °C?
Answer:
20c is ponds cooler that 20 c hotter so its has more oxygen
Explanation:
Explain why photosynthesis and cellular respiration are dependent on each other.
Answer:
Explanation: La dependencia entre la fotosintesis y la respiracion celular es que la fotosintesis libera oxigeno, un elemento necesario para la respiracion celular. Otra dependencia es que en la fotosintesis las plantas producen glucosa, un azucar que sirve como combustible en el proceso de la respiracion celular cuando los herviboros comen a las plantas.
Yellow light travels through a certain glass block at a speed of 3 * 108 m/s . The wavelength of the light in this glass is 3.81 * 10 - 7m . What is the frequency?
Answer:
f = 7.87×10¹⁴ Hz
Explanation:
Given data:
Speed of light = 3×10⁸ m/s
Wavelength of light = 3.81 ×10⁻⁷ m
Frequency of light = ?
Solution:
Formula:
Speed of wave = wavelength × frequency
Now we will put the values in formula.
3×10⁸ m/s = 3.81 ×10⁻⁷ m × f
f = 3×10⁸ m/s / 3.81 ×10⁻⁷ m
f = 0.787 ×10¹⁵ s⁻¹
s⁻¹ = Hz
f = 0.787 ×10¹⁵ Hz
f = 7.87×10¹⁴ Hz
which structure performs photosynthesis in plant cells but is not present in animal cells?
is amazon brazilian rainforest (yes or no)