What is the most acidic out of all of these

Answer:

the 4th one The lumen, is my guess

Answer:

The matrix

Explanation:

FIRST CORRECT ANSWER GETS BRAINLIEST!

A siren and a newt are classified in the salamander family. What characteristics may have been used to group them?

Which statements describe characteristics that are common to both gymnosperms and angiosperms? Check all that apply.

They have roots, stems, and leaves for nutrient transport.
They have flowers.
They are autotrophs.
They rely on diffusion for nutrient transport.
They are heterotrophs.
They have seeds.

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Which of the following statements is true?

(A) Mutation is the only way to vary the gene pool in a population that reproduces by sexual reproduction.

(B) Fewer harmful mutations are inherited by sexual reproduction than by asexual reproduction.

(C) Sexual reproduction is faster than asexual reproduction.

(D) Offspring from asexual reproduction have more genetic variety than offspring from sexual reproduction.

What parts of the body usually do not contain “helpful” bacteria?

answer the question down below

When was Escherichia first isolated and characterized?

Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.

Which statement is part of the Law of Universal Gravitation?
A. Earth's gravity stops when items or people leave the planet
B. objects that have different masses, exert the SAME gravitational pull
C. All objects exert a gravitational force on each other
D. small objects exert a greater pull than large ones
No

List all of the recessive traits you noticed in the pictures.

WILL GIVE BRAINLIEST!!!!! In a paragraph, answer the following questions. 1. What are some ways the body maintains homeostasis? 2. What is the difference between an internal stimuli and an external stimuli? 3. In terms of maintaining homeostasis, why do you think humans vomit?

Using the diagram above, explain how a drop of water in the ocean can complete a full cycle to return to the ocean. Include how this drop of water changes states of matter as it completes the water cycle.

correct answer gets brainliest.
Which organism below disappears at the kingdom level? Explain why.

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How much of the bacteria in an adult’s intestine is E. coli?

The scientific name for a species of spruce trees is Picea pungens. Which term refers to the genus level of classification?

A. Picea

B. pungens

C. both terms indicate the genus

D. neither term represents the genus

pls help thx

Plz help will give brainlest if you do

Which of the following statements is true?

When you scrape your knee, skin cells are replaced by meiosis.
Blood type is determined by a single gene.
The Punnett Square was invented by Gregor Mendel.
A puppy with Bb fur has the same phenotype as a puppy with BB fur.

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all uk to know is in photo

PLZ HELP ASAP PLZZZ I REALLY NEED DIS

Which of the following illustrates deductive reasoning?


All men are mortal. George is a man. Therefore, George is mortal.

Lisa leaves for school at 7:00 am and is on time. Lisa assumes she will always be on time if she leaves at 7:00 am.

Jane is a firefighter. All firefighters are friendly. Therefore, Jane is friendly.

All students taught by Mr. Wilson are right handed. Mr. Wilson assumes all students are right handed.

Complete the following sentence.
If an implemented solution is ineffective, then the "
____________ solution" step must be reconsidered.

Alicia volunteered to become an organ and tissue donor when she got her state ID. If Alicia dies, she can help to improve others’ lives. Her heart tissue, skin, bones, and veins can all be transplanted into a patient in need.

Choose the words that correctly complete the sentences.

A group of similar
Blank
make up a tissue. Several tissues make up an
Blank
.

The ocean is one of Earth’s biomes. A biome is an area that is characterized by the plants and animals that live there. There are five major oceans—the Atlantic, Pacific, Indian, Arctic, and Southern—that are all connected in what is known as the World Ocean. The ocean, sometimes called the marine biome, is huge, covering 70% of the Earth’s surface. However, humans have only explored about 5% of it. Scientists know less about the ocean than they do about the dark side of the moon. In this way, the ocean is considered the Earth’s final frontier.

Which of the following is true?

A
The Atlantic, Pacific, Indian, Arctic, and Southern Oceans are completely separate from each other.

B
The ocean covers about half of the Earth’s surface.

C
Scientists have studied most of the ocean, but a tiny bit remains unexplored.

D
Scientists know more about the moon than they do the ocean.

Which cellular process does the equation above correctly describe? *

photosynthesis
cellular respiration
mitosis
meiosis
PLEASE EXPLAIN!!!!! I WILL GIVE BRAINLYIST

Mosquitoes can carry and transmit disease to animals and humans. Explain how the cricket frog plays an important role in limiting the spread of mosquito-borne illnesses like West Nile virus and malaria.
Predict the long-term effects of these limiting factors on the cricket frog population in the pond ecosystem.

List all of the recessive traits you noticed in the pictures.

PLEASE HELP ME! I'll give you brainlest!