Most invertebrates leave their young to fend for themselves while vertebrates help their young till they are ready
Answer:
Wind is the horizontal movement of air. All wind is caused by the uneven heating of Earth's surface, which sets convection currents in motion. Convection currents on a large scale cause global winds; convection currents on a small scale cause local winds.
Explanation:
Option B, "They need more oxygen to function, so gas exchange needs to increase. "
Answer:
The natural resource distribution depends on many physical factors such as land, atmosphere, and altitude. Asset distribution is unequal because these factors differ on this planet from place to place.
