please help ill give brainliest :) Carlos is a runner. He runs the 100m sprint in 7.2s. At what speed did he travel?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

The pronunciation aid that determines the stress placed upon a syllable is the

What is the most abundant vertebrate on earth?