Which of the following is a drawback to superconductors?
-hey perform well only at very low temperatures.
-they are made from extremely expensive materials.
-they have very few uses.
-they are dangerous to use.

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?