Some of the main functions of skin cells are to provide protection, perceive and transmit sensation, control evaporation and regulate temperature.<span> Skin cells, which are epithelial cells, are also self-repairing and reproduce quickly.</span>
Answer:
Y most likely represents springs.
They have to find different food because its normal choices of food arent avalible during cold tempatures. They have to go into hiding and prepare for this change.
No, here are some rankings I found. please make me the brainliest!
Comparisons and Ranking
Rank
Type of Coal
Calorific Value (MJ/kg)
#1
Anthracite
30 millijoules per kilogram
#2
Bituminous
18.8–29.3 millijoules per kilogram
#3
Sub-bituminous
8.3–25 millijoules per kilogram
#4
Lignite (brown coal)
5.5–14.3 millijoules per kilogram
Choanozoa—It's the branch that animals are most directly connected to.