Please help with my biology

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

Which chemical equation is unbalanced? which chemical equation is unbalanced