Pls Help me! ^-^ How do you think the environment has changed over time, and how could this change have led modern horses to be larger than ancient horses?

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.

Explanation:

Over time, there wasn’t much things that we had now. in the old times they used horses to travel and hunt for wild animals. But now theres a centry, where we have modern technology.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this