What are the main component of natural gas. hexane octane methane butane

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

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.

Which of the following terms describes all of the non-living components of an ecosystem