Test your knowledge of water by answering the following questions. Approximately what percentage of the weight of the human body is water? Approximately what percentage of Earth's surface is covered by water? Where is most of the fresh water on Earth found? What happens to the volume of liquid water when it freezes?

1st- 65%

2nd- 75%

3rd- glaciers and ice caps

4th- it increases

Explanation:

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation:

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.