34) when a muscle is unable to respond to stimuli temporarily, it is in which of the following
periods?
a) relaxation period
b) refractory period
c) latent period
d) fatigue period

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

What is a group of organisms that are closely related and share similar characteristics

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of