At which temperature do we have to keep baby chicks in the brooder in summer?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite