Answer:
[The recent activities of fossil fuel combustion has had adverse effects on the ozone layer]- B.
Answer:
Which of the following properties describes a direct current system but not an alternating current system?
The current always flows it the same direction.
Explanation:
When current flows in the same direction, it is described to have flow in a direct manner rather than an alternate system
After a few months of eating less meat and more fruits and vegetable, the liver will respond by producing more cholesterol.
<h3>What is body homeostasis?</h3>
The term body homeostasis makes reference to the internal equilibrium (homeostasis) of the body.
Body homeostasis may involve the production of certain substances when they are not consumed from the diet.
In this case, it is possible to increase cholesterol levels by having certain healthy habits (food habits).
Learn more about body homeostasis here:
brainly.com/question/13349261
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
Environmental functions is the correct option. Hope it helped U. If it helped you please mark as brainliest