instruction:
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
question:
Question: Slowing plate tectonics indicates convection is 
 Answer: decreasing
answer:
Convection on early Earth was faster and so plate tectonics was faster.


question:
Question: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much larger than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Answer: lower
answer:
Larger alkenes have lower boiling and melting points.


question:
Question: An elderly person has a _____ risk of developing a cardiovascular disease than a young person. 
 Answer: higher
answer:

The older a person is, the greater their chance of developing a cardiovascular disease.