Answer:
Phospholipids are amphipathic molecules. This means that they have a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails. These components of the phospholipids cause them to orientate themselves, so the phosphate head can interact with water and the fatty acid tails can't, hence forming a bilayer
Explanation:
Answer:
They formed from a cloud of dust and gas.
Explanation:
A nebula is where the formation of stars takes place, so the Nebula Theory would pertain to the planets forming in the same way.
<span>This is an example of a moral dilemma. A moral dilemma is a situation where you are asked to choose between two different situations in which moral reasoning is required in your decision making. Here, the moral reasoning comes down to killing animals for the benefit of human life.</span>