#1 is climate, whether is specific climate is over all what it does
#2 It is weather, you don't usually need galoshes only when it rains its climate isnt to rain that particular day, that is its weather
#3 again refers to weather, it isn't always windy just when the weather turns.
Cutaneous<span> receptor. The </span>cutaneous receptors<span> are the types of sensory receptor found in the dermis or epidermis. They are a part of the somatosensory system.</span>Cutaneous receptors<span> include </span>cutaneous<span> mechanoreceptors, nociceptors (pain) and thermoreceptors (temperature).</span>
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
