Please help, im so confused

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

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

Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes