What is the first thing that happens after you die

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.

Describe two recent or ongoing space missions.

What are the student's observations and inferences before he starts his investigation?