A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
It can big increase speed and change direction
Ice actually has a very different structure than liquid water, in that the molecules align themselves in a regular lattice rather than more randomly as in the liquid form. It happens that the lattice arrangement allows water molecules to be more spread out than in a liquid, and, thus, ice is less dense than water.
Answer
it refers on the variety of life on earth at all its levels from genes to ecosystems and can encompass evolutionary ,ecological and cultural processes that sustain life
<h2><u>advantages of conserving forests and wildlife</u></h2>
1.It protects the endangered species.
2.It preserves different kind of species
Explanation:
Answer:
<u>
They have hydrophilic heads and hydrophobic tails.</u>
Explanation:
Phospholipid membranes are comprised of a chain of lipids. These typically are arranged in a bilayer; the hydrophilic lipid heads are polar, and face outwards, while the hydrophobic tails are polar facing inwards.
The membranes are selectively permeable, and only allow the movement of small, non-polar molecules through the bilayer.
