I need help, I'm confused..What is true of a catalyst?
A. It provides the energy needed for the reaction.
B. It is a reactant in a chemical reaction.
C. It is not consumed by the reaction.

Answers

Answer 1
Answer:

Answer:

C

Explanation:

A catalyst is a substance added into a chemical reaction, that aids in the increase of the chemical reaction without the catalysts undergoing any chemical reaction. Thus the catalyst and the beginning of the reaction (reactant) is the unchanged at the end of the reaction (products).


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Choose the stage that best matches the description given.Body fluids begin to dry up, and the smell emitted is that of putrid butter:thafter day 50days 4-10days 20-50days 10-25days 1-3
Which development in plants has contributed to the evolution of large trees?
Why is DNA frequently found associated with protein inside cells

Frogs produce a huge number of gametes at one time - WHY do you think this is ( HINT: Finding Nemo)?

Answers

Eggs, the hint wasn't even required. Gametes are sex are an organisms reproductive cells.

The criteria used to determine whether something is alive includes movement, growth and

Answers

presence of protoplasm, self built organisms, self repair, reproduction and various life process like metabolism, nutrition, respiration, exchange of material, transportation, excretion and irritability.
One good way to remember this is with the acronym MRS GREN;

Movement - The organism can move in some way (plants move as they grow)
Reproduction - Creating new copies of this organism
Sensitivity - A response to a change in the environment around the organism

Growth - The ability to create new structures / cells
Respiration - The ability to break down food to get energy
Excretion - The organism creates waste which is disposed of
Nutrition - The organism has the ability to eat food

a white blood cell ingests then digests a number of bacteria which cell organelles were directly responsible for the digestion of bacteria

Answers

Bacteria of white cell

What can Courtney change in her experiment to find the true impact ofthe type of meals she eats on her race time?
Select one:
A. For two weeks of her study, she can eat her high protein meal
for breakfast and high carbohydrate meal for lunch; she should
then switch the meals for the last two weeks.
B. She should try running a longer distance after lunch since
she seems to be faster regardless of her meal. C.She should only eat her high protein meals for breakfast and
only eat her high carbohydrate meals for lunch for all four weeks
of her study. D. She should eat only protein meals on some days and only
carbohydrate meals on other days, which can be determined by a
coin toss.

Answers

Answer:

Time and quantity of food if changed or regulated sincerely then Courtney would be able to see the true impact of her type of meals

Explanation:

Suppose if Courtney chooses Option C as the choice of food for her race time, then her emphasis should be on two things in order to see the true impact of her meals -

a) The time at which food is taken  - For breakfast , she should try to take her food between 6 to 8 AM and not later than this.

b) The quantity of food - Quantity of food is very essential to maintain a good health which will in turn ensure better performance in race.

Answer:

The time of day seems to influence her speed; however, she wants to test the impact of the type of meals she eats.

Explanation:

What idea did Malthus introduce?

Answers

Malthus illustrated the essay on the principles of population and its growth. According to his theory, the population growth will consistently supervise to outrun the food supply.  

Who was Thomas Malthus?

Thomas Malthus was an English scholar and influential economist who worked in the field of economy and demography.

The theory of Malthus reveals the growth of the population with respect to the food supply. He believed that the balance between population growth and food supply can be maintained through preventative and flattering appraisal.

Therefore, it is well described above.

To learn more about Malthus, refer to the link;

brainly.com/question/18355415

#SPJ2

Answer:

The Malthusian Theory of Population: The concept that the human population exponentially grows and will eventually be too large to be supported by the food production rate, leading to mass starvation.

People who believe this are Malthusians.

Explanation:

This is more of an APHG question, but yeehaw

One of the major elements of natural selection is that all species have genetic A) digression. B) melanism. C) stability. D) variation.

Answers

Answer:

D. variation

Explanation:

Answer:

The answer would be D) Variation

Explanation: