Professor Grant is interested in studying the development of a sense of humor. She collects data from groups of 6-year-olds, 16-year-olds, 26-year-olds, and 46-year-olds. What type of research design is Professor Grant using? Group of answer choices Cross-sectional design Longitudinal design Behavior genetics design Cohort design

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses

Explain the process that creates the heat of the sun?