Answer:
i think
they are used to male the animal grow
Once the animal eats the food, the atoms in food are used to make the animal grow.
What is an atom?An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.
The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.
Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.
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1 point
A system that absorbs energy from its surroundings is said to be: *
Answer: Exothermic.
Explanation:
Exo means “outside” and the outside relates to surroundings so it’s my best choice.
Answer:
endothermic is the answer
3 examples of how you think cells work in living things.
Answer:
Cells help the human body in many ways, Red or white blood cells are very important and are commonly spoken when bringing up cells. Plants have cells as well plant cells have special organelles called chloroplasts, which create sugars also known as photosynthesis.
Explanation:
idrk if that helped much-
If the pressure, volume, and temperature of a gas are known, which can most likely be found by using the ideal gas law?
the molar amount of the gas
the partial pressure of the gas
the standard temperature and pressure
the molar mass
Answer:
the molar amount of the gas.
Explanation:
Which type of mixture can be separated using a sieve?
A homogeneous mixture with components of varying sizes
A homogeneous mixture with components of the same size
A heterogeneous mixture with components of the same size
A heterogeneous mixture with components of varying sizes
Answer:
D: a heterogeneous mixture with components of varying sizes
Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.
Explanation:
Answer: D, a heterogeneous mixture with components of varying sizes.
Heterogeneous mixture is a combination of substances that doesn't have uniform composition and properties. Just by looking at the mixture you can differentiate the compounds because they are so different. Using a sieve, allows the components with different sizes to separate, while one is retained, the others can pass the holes in the sieve.
What is the formula for atomic weight amu of neon
Answer:
abundance of the first isotope times the Mass of the first isotope
Which one is the answer?
Answer:
I think 1, 4, and 5 are the answers to this question. I am not sure about 4 though.
Explanation:
You have to have a power source (1), you also have to have a way to get that power somewhere else (5), and the reason for 4 would be that the power has to come back through the power source to remain working.
How many Hydrogen atoms are required to satisfy Oxygen during bonding
Answer:
2 hydrogen atoms
Explanation:
Which statement is correct about charges?
A.Opposite charges repel
B.Similar charges attract
C.Electrons are positively charged
D.Similar charges repel
Answer:
A.Opposite charges repel[tex] \: \: \: \: [/tex]
D.Similar charges repelcorrect me if I'm wrong
hope it helpsGasoline has a density of 0.7197 grams per milliliter. Calculate the mass, in grams, of a sample of gasoline with a volume of 48.5 milliliters.
Answer:
34.9103 or 34.9 g
Explanation:
Remember Density is a broken heart: m/v.
In this scenario (Let x = # of grams in the sample of gasoline),
D = 0.7198 g/mL = x g / 48.5 mL
So,
(0.7198 g/mL) * (48.5 mL) = x g
x g = 34.9103 = 34.9 g (Accounting for Significant Figures)
What is the formula for the compound?
Answer:
the correct answer is CO2 (the last one)
RNA is a double strand. True or False?
Answer:
False, RNA is single stranded, DNA is double stranded and forms a double helix
Explanation:
Whats the different between chemical property and chemical change, and physical property and physical change?
Answer:
I think the answer is A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.
Explanation:
I hope this helps.
Answer:
Physical change is the same substance, while a chemical change is a new substance.
(BRAINLIEST QUESTION)
Which answer below best describes what the law of Natural Selection is?
Select one:
a.
Natural selection is the process where those members of a species that can survive environmental hardships reproduce the future offspring with their strong characteristics being passed on, thus evolving the entire species.
b.
Natural selection is the process wherein species evolve over time because those members with common traits tend to survive hardships and produce more offspring.
c.
Natural Selection is the law that states the the natural evolution of a species is dependent on the shifts of the environment.
Answer:
I think it's A but I might be wrong
Explanation:
A student dissolves ethanol (C2H5OH) in distilled water. In another container, he dissolves CaCl2, in distilled water. Will either of the solutions conduct electricity? If so which one?
Plz Help!
Answer: The CaCl2 solution will conduct electricity.
Answer:
i think that the CaCl2 solution will conduct electricity
Explanation:
im not sure but if im wrong im sorry
two different isotopes of an element have different
Answer:
atomic weight or number of neutrons.
Explanation:
An isotope: is one of two or more forms of the same chemical element.
Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number.
A different number of neutrons giving each elemental isotope a different atomic weight.
What is one way humans can control landfills?
(25 Points)
They can throw away less garbage.
They can throw away more garbage.
They can pollute the land.
None of the above.
none of the above is the answer i think?!
Answer:
none of the above
Explanation:
if we threw away less garbage it would just end up polluting somewhere else
if we threw away more garbage it would just add to the landfills
and if we pollute the land any more than we already have there's no point in even trying
therefore the most logical answer would b none of the above
How does the equation F= ma tell you that it is easier to push a small chair than a large couch
across the floor?
Explanation:
[tex] \boxed{ \mathsf{F = ma}}[/tex]
The Newton's Second law of motion, also known as The Law of mass and acceleration, derives the given equation in terms of mass, acceleration and force.
It actually states that Force applied on a body is equal to the time rate of change of it's momentum.
Momentum of a body, is the product of it's mass and velocity with which its moving.
This clarifies that objects at rest have zero momentum since they have zero velocity.
If a "source" applies force on an object, it's magnitude would depend on its rate of change of momentum with time.
Since, mass of an object is a fixed entity, so change in momentum would be caused due to change in velocity.
Now, if we happen to have two objects of different mass,
(As, in here, a chair and a large couch) and we have to push them so as to produce the same change in momentum, the force applied on a couch would be more than that applied on the chair.
Answer:This is simply because,
Force = mass × acceleration
If acceleration for both the objects is fixed, the force applied differs due to theur difference in mass.
Note here that Force I'd directly proportional to mass.
The greater the mass is, the higher is the force required to produce same acceleration.
Thus, objects with higher mass will require a greater amount of force to have the same acceleration as the object of light weight.
what’s chemical formula ammonium iodide?
Answer:
NH4I
..................
I hope it helps
Answer:Ammonium Iodide is a chemical compound with a formula Explanation: nh4l
What is the atomic mass, in amu, of this atom?
Answer:
1) H - hydrogen - 1.100797
2) HE - helium - 4.00260
3) LI - lithum -6.941
Explanation:
On the periodic table the mass of carbon is reported as 12.01 amu. This is the average atomic mass of carbon. No single carbon atom has a mass of 12.01 amu, but in a handful of C atoms the average mass of the carbon atoms is 12.01 amu.
11.
What is the missing product from this reaction?
32 32
15P → 16S +
a.
4.
2 He
b.
0
10
C.
0
or
d.
0
le
e.
0
1P
Answer:
good times
Explanation:
always nedded
Here the nuclear decay of phosphorous to give S-32 is an example of beta-decay. Hence, the emitted particle is an electron. Thus, option b is correct.
What is beta decay ?The heavy unstable radioactive isotopes undergo nuclear decay by the emission of alpha or beta particle. Thus, there are mostly two types of decays, alpha decay and beta decay.
In alpha decay, the isotope emits a helium nuclei. Hence, mass number decreases by 4 units and atomic number decreases by 2 units. In beta decay, mass number does not change but atomic number increases by 1.
Here, P-32 undergo beta -decay by emitting an electron to form S -32. Hence, atomic number is increased by one. Therefore, the mission product is an electron option b.
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What eats a FawnsFoot Mussel?
Answer:
I have no Idea please give more context to your question.
Explanation:
c) A substance has a high melting point and conducts electricity. What type of structure does it have
Answer:
Metallic structure
Explanation:
They have a high melting point due to the strong forces of attraction between the positive ions (cations) and the delocalised electrons. Moreover, they conduct electricity due to the sea of delocalised electrons.
[Extra: It could be an ionic compound since they also have a high melting point, however they only conduct electricity in liquid or aqeouus state.]
How to write a chemical formula ?
Answer:
To write a chemical equation, the reactants should be written on the left, and the products should be written on the right and the coefficients should be written next to the symbols of entities to indicate the number of moles of a substance produced used in the chemical reaction.
7. Describe the difference between a genetically modified organism (GMO) and an unmodified organism.
Answer:
there
Explanation:
organic food is farmed and manufactured per the guidelines put forth by the Department of Agriculture. Organic food is typically pesticide-free, GMO-free, and sustainably farmed.
Non-GMO food, or non-genetically modified food, has not been altered or engineered in any way. Non-GMO food doesn’t necessarily adhere to the same guidelines that organic food does.
GMO food has been genetically modified in some form, usually in a laboratory.
Balance the following equation: __Na+__H₂O ➞ __NaOH+__H₂ *
Answer:
4 4 8 4 is the balanced equation
In which one element replaces a similar element in a compound
In which one element replaces a similar element in a compound?
Answer:-A single-replacement reaction
Explanation:-A single-replacement reaction is a reaction in which one element of a compound is replaced by another.
the name of element P
Answer:
phosphorus
Explanation:
mark me brainliest pl
1. Predict the shape of the graph for a y versus x plot of air pressure versus altitude.
A teacher wrote the following part of a balanced chemical equation:
2HNO3 + Ca ➡️
To show that chemical reactions conserve matter, how many atoms of hydrogen (H) will there be on the right-hand side of the equation?
A. 3
B. 2
C. 1
D. 6
Answer:
answer is 2
Explanation:
just did the quiz
Explain how wind and water can create a sand dune along an ocean beach
Answer: A dune is a mound of sand formed by the wind, usually along the beach or in a desert. Dunes can also be formed by strong currents beneath the water.
