When a chamber of the heart fills with blood and prepares for the start of the next cycle, the heart is in?

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

Across of blue x blue (both heterozygous) would result in

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot