Which of the following is the appropriate amount of exercise for its age group? Question 8 options: Adults can exercise with moderate intensity for two hours and thirty minutes per week. Older adults (65+) should exercise 60 minutes per day. Children 6-17 should exersice 75 minutes per day. Adults should include 5 hours of muscle strengthening per week.

The load is the pivot point of a lever.

During the first month of development, how many layers of cells make up the embryo? a. 1 b. 2 c. 3 d. 4

Explain why methicillin resistant staphlococcus aureus (mrsa) is more prevalent now than it was only 30 years ago. a. antibiotics cause mutations in staphlococcus aureus that lead to an increase in the number of methicillin-resistant strains. b. methicillin resistance causes an infection to spread more rapidly.c. frequent and inappropriate use of methicillin-type antibiotics has provided selective pressure that has resulted in an increase in the proportion of methicillin-resistant strains of staphlococcus aureus.d. diseases like aids have made people more vulnerable to infections from staphlococcus aureus.