All categories

3 years ago

All of the following are examples of chemical reactions EXCEPT *

Biology

2 answers:

Mariana [72]3 years ago

6 0

Water changing from liquid to steam is a physical change, not a chemical change

Elena L [17]3 years ago

4 0

Answer:

Water changing from a liquid to a gas (steam)

Explanation:

When water changes states of matter it is considered a physical change. Not a chemical one.

You might be interested in

The diagram shown below represents the enzymatic processes involved in a chemical

Tju [1.3M]

Answer:

lock and key method ?

Explanation:

4 0

2 years ago

Read 2 more answers

2. High-pressure systems usually are associated with are associated with A. Clouds and precipitation, fair weather B. The jet st

faltersainse [42]

Answer:

Correct Answer ( A.) High pressure usually are associated with fair weather and low pressure systems are associated with clouds and precipitation

Explanation:

High pressure systems are usually are associated with ___________ and low-pressures systems are associated with _____________.

5 0

3 years ago

The prediction of the evolutionary model expects an increase in variety of new organisms. true false

adell [148]

False because many different species are going extinct within our lifetime

8 0

3 years ago

Read 2 more answers

Consider the data on cliff swallow mortality. Why is this an example of directional selection?Overall genetic variation decrease

Gala2k [10]

Answer:

The average trait value changed in one direction.(In this case, larger size)

Explanation:

In evolution a natural selection can be disruptive, directional or stabilizing

In stabilizing no extreme trait is favored hence provides intermediate values .

Disruptive selection both extreme traits are favored over the intermediate trait.

Directional, the enviroment will favor the survival of one trait hence a change in direction either towards the left or the right.

In the case of swallow cliff mortality, selection favored the larger size.

8 0

2 years ago

9. Which structure helps animal cells maintain their shape?

ludmilkaskok [199]

Answer:

D. Cytoskeleton

Explanation:

It is really none of these answers. The correct answer would be a microtubule which is a component of the cytoskeleton which is in the cytoplasm.

The Cell Walls are only in plant cells so that won't work. So, A wouldn't work.

Chromosomes are the things that both your parents give you as genes. They have nothing to do with keeping the structure of the cell alright.

Cytoplasm cannot be a answer choice because, the thing is in it but, it doesn't do anything with it. So C wouldn't work either

The correct answer is microtubule however, it is a component of cytoskeleton so therefore, that is your answer.

Reference the picture below:

4 0

3 years ago