Rick is a healthy 17-year-old high school student who is 70 inches tall and weighs 205 pounds. he has decided to "get a six-pack" over the summer with a diet and exercise program. as part of his new plan, he has stopped drinking soda and is eating more salads in addition to his usual diet. besides of these changes, he is unclear on how to proceed to reach his fitness goal. rick's mother wants to make sure his approach will not interfere with his normal growth and development, and has asked him to seek reliable information to him make a reasonable plan.

Which of the following is not a major characteristic used to identify minerals? a. hardness c. density b. magnetism d. luster select the best answer from the choices provided a b c d i know it is not d

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called