The correct answer is pushing and pulling on neighboring particles.
A) Autotrophs because heterotrophs don't make their own food and rely on other organisms while autotrophs are organisms such as plants who use photosynthesis to make their own food.
Changing environments and ecosystems were driving the evolution of horses over the past 20 million years. ... "According to the classic view, horses would have evolved faster in when grasslands appeared, developing teeth that were more resistant to the stronger wear that comes with a grass-dominated diet
One thing a person can do is plant more plants a year.
Climate is the long-term average weather conditions that occur in a particular region. Climate depends on how average weather conditions change throughout the year.
