There was no life on Earth for the first billion years because the atmosphere was not suitable for life. Earth's first atmosphere had lots of water vapor but had almost no oxygen. Later, frequent volcanic eruptions put several different gases into the air.
Answer:
Research meteorologists study atmospheric phenomena such as lightning. Atmospheric scientists study the weather and climate, and examine how those conditions affect human activity and the earth in general
Explanation:
Answer: about 10 TIMES MORE!!!
Explanation: all you have to do is know the two averages and compare them out ;)
Answer:
It is a physical adaptation
Explanation:
Webbed feet does not change the way the animal acts but it had to adapt webbed feet physically to survive in its habitat/surroundings
Ionic Bonds <span>transfers electrons</span>
