List at least three things that your body strives to keep constant. (9 points) Think about what
aspects of your body overall, of one body organ, or of your blood stay nearly unchanged all the time
Answer:
Temperature, heart rate and blood flow.
Explanation:
The three things that our body strives to keep constant in overall body aspect are Temperature, heart rate and blood flow.
What is the Importance of Life process ?Life processes are important to carry out daily life activities. They help to produce energy and maintain homeostasis in the body. The life processes help a body survive with the changes in the environment.A slight disturbance in any of the life processes disturbs the entire functioning of the body.
Therefore ,
The Three things that our body strives to keep constant in overall body aspect are Temperature, heart rate and blood flow.
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The United States has landed a device on Mars.
Answer:
They landed a Rover!
Explanation:
Isn't that Awesome!?!
Lunar Eclipse. Choose ALL that apply
Question 1 options:
Earth casts its shadow on the moon
The moon turns dark
Light from the sun is blocked
Earth is directly between the moon and sun
Question 2 (0.5 points)
Solar Eclipse: Choose ALL that apply
Question 2 options:
The Earth is directly between the moon and sun
Earth casts a shadow on the moon
Moon moves between the sun and Earth
The moon blocks out the light of the sun and casts a shadow onto the Earth
In this exercise we have to use the knowledge of lunar eclipse to identify the alternatives that correspond to this effect, as follows:
Light from the sun is blockedEarth is directly between the moon and sunWhat is lunar eclipse?A lunar eclipse happens when the Earth is between the Moon and the Sun, at times when they are aligned. Depending on the position of the Moon, it is total, partial or penumbral. Different stages of a lunar eclipse on a full moon night.
Now, use the knowledge of solar eclipse to identify the alternatives that correspond to this effect, as follows:
Moon moves between the sun and EarthThe moon blocks out the light of the sun and casts a shadow onto the EarthWhat is the definition of solar eclipse?Solar eclipse is an astronomical phenomenon that occurs when the Moon is positioned between the Earth and the Sun, hiding the light emitted by the star towards the planet.
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Is aloe vera a living or non-living thing?
Answer:
It is a living plant
Explanation:
True or false? To prepare 20.0 mL of 2.00 M solution of hydrochloric acid from a 10.0 M stock solution, you should take 4.00 mL of the stock solution and add 20.0 mL of water.
False. To prepare 20.0 mL of 2.00 M solution of hydrochloric acid from 10.0 M stock solution, 4.0 mL of the stock solution and 16.0 mL of water would be needed.
Recall the law of diffusion that:
C1V1 = C2V2, where C1 = initial concentration, V1 = initial volume, C2 = final concentration, and V2 = final volume.
In this case, if C1 =10.0 M, V1 = ?, C2 = 2.00 M and V2 = 20.0 mL
V1 = 2 x 20/10
= 4.0 mL
Hence, 4.0 mL of the stock solution would be taken. Since the final volume is 20.0 mL, only 16.0 mL of water would need to be added and not 20.0 mL.
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How can an unbalanced force affect an object?
O Unbalanced forces keep an object at rest.
Unbalanced forces cause objects to accelerate.
O Unbalanced forces cannot affect on object.
is it true or false?
Answer:
The rainforest is teeming with animals and insects, so you would hear humming. Frogs and birds make some of the loudest rainforest sounds.
howler monkeys, are the loudest so i think that its false cause lost of animals are there but some can be quiet
Scientific investigations must be well __________ to be sure the data collected will help answer the scientist's question
Answer:
The answer is relevant.
Scientific investigations must be well relevant to be sure the data collected will help answer the scientist's question.
What is a scientific investigation?A scientific investigation is an investigation that is done in the field of science. This unravels the secrets of the earth and the logical reason behind the things happening.
There are three types of scientific investigations. They are descriptive investigation, comparative investigation, and experimental investigation. When we see a thing happening in the environment or anywhere, always find a reason behind it.
The steps in completing a scientific investigation are:
Asking questionsTo make a hypothesis.Performing research.Making an observation.Analyzing the result.Thus, the scientific investigations must be well relevant to the data.
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A rock collection comes from which part of Earth?
A. atmosphere
B. biosphere
C. geosphere
D. hydrosphere
Answer:
c
Explanation:
I looked the answer up it said it was geosphere
Answer:
the answer is geosphere
Explanation:
i hope it helps you
What is needed for our cells to get energy from our food?
Answer:
cellular respiration is needed for our cells to get energy from our food.
Explanation:
Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
(PHYSICAL SCIENCE) Help please !!
An experiment requires 0.38 M NH3(aq). The stockroom manager estimates that 15 L of the base is needed. What volume of 15 M NH3(aq) will be used to prepare this amount of 0.38 M base? Answer in units of mL.
Answer:
480 mL
Explanation:
15L of 0.38M of NH3(aq.) means that we require 15x0.38 moles of NH3.
this is to be provided by 15M x V.
Where V is volume in Liters.
These are equal
⇒15M x V = 15x 0.48
Hence, Volume required V = 0.48L =480mL
What is the formula for S2O5
Answer:
chemical formula
Explanation:
After eating, nutrients must be oved to other parts of the body. Which of the following systems will transport these nutrients.
nervous
digestive
circulatory
excretory
Answer:
The circulatory system
Explanation:
Biomes are characterized by temperature, precipitation, and the plant and animal communities that live there.
True or false?
Help plz 10 pointsss———-
Answer:
the first question is homeostasis. and the second question is the wolf panting
Explanation:
let me know if u need an explanation n ill try to give one :)
help, please ( rando words )
Answer:
ionic
Explanation:
Answer:
the answer is ionic
Explanation:
hope this helps!
please can i also have brainliest too?
Which property of sulphuric acid makes it suitable to use as a catalyst for the preparation of esters?
is Tungsten carbide an elementary substance
or compound?
Answer:
Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms.
Answer:compound
Explanation:
PLEASE HELP ME!!!
A 38.8g piece of metal alloy absorbs 181J as its temperature increases from 25.0°C to 36.0°C°. What is the alloy's specific heat? Show your work.
0.424 J/g °C
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityChemistry
Thermochemistry
Specific Heat Formula: q = mcΔT
q is heat (in Joules)m is mass (in grams)c is specific heat (in J/g °C)ΔT is change in temperatureExplanation:Step 1: Define
[Given] m = 38.8 g
[Given] q = 181 J
[Given] ΔT = 36.0 °C - 25.0 °C = 11.0 °C
[Solve] c
Step 2: Solve for Specific Heat
Substitute in variables [Specific Heat Formula]: 181 J = (38.8 g)c(11.0 °C)Multiply: 181 J = (426.8 g °C)c[Division Property of Equality] Isolate c: 0.424086 J/g °C = cRewrite: c = 0.424086 J/g °CStep 3: Check
Follow sig fig rules and round. We are given 3 sig figs.
0.424086 J/g °C ≈ 0.424 J/g °C
. Chalk is made of CaCO 3 . How many molecules are in 5 grams of chalk?
Answer:
20.02 grams of chalk.
Explanation:
object with a mass of 30 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required
The chemical symbols of hydrogen, calcium and chlorine are:
H, C, Cl
H, C, Cn
H, Ca, Cl
Hn, Cal, Cl
Answer:
H, Ca, Cl is the answer dude
Answer:
hydrogen is H
calcium is Ca and chlorine is Cl
3 points
5. Which of the following is true regarding the atoms involved in a
chemical reaction? *
a) During a chemical reaction, atoms will always be combined into much larger
molecules.
b) Some of the atoms will always be changed into a different type of atom by a
chemical reaction.
c) Some of the atoms present before the reaction will always be lost during a
chemical reaction.
d) The same number of each type of atom will always be present before and after a
chemical reaction takes place.
Bronsted Lowry reactions can use hydroxide ions.
True
False
Answer:
f
Explanation:
1. Why do you think it is so important to think about momentum in the NASCAR world? Use the
equation for momentum (momentum = mass times velocity) in your answer. (Hint: NASCAR
drivers drive really fast.] 1 point
Answer:
because it is
Explanation:
simple
Answer:
Explanation: none
3. The mass percent of nitrogen in NH4Cl is *
O 16.7% nitrogen
0 25.0% nitrogen
0 26.2% nitrogen
O none of these
Answer:
None of these
Explanation:
The mass percent is 35.4% (3 s.f.)
14/4+35.5 = 14/39.5 x 100 = 35.4 (3 s.f.)
Is specific heat capacity always equal to heat capacity?
Answer:
No specific heat capacity and heat capacity are not equal
is the distilled water/acidic/basic/netural?
Distilled Water Has A Neutral pH, Which Means It Is Neither Acidic Nor Basic. Therefore, It's Neutral.
Calculate the calories of heat required to melt 35.0 g of ice.
Answer:
35.0g of ice at 0 degrees
Explanation: