Which of the following BEST explains why multiple exercises are needed to improve muscular strength and endurance throughout the body?
A. Push-ups don't exercise leg muscle groups.
B. Different exercises are needed to improve different muscle groups.
C. Weight lifting is more important for muscle strength than endurance.
D. Not all muscle groups can be exercised simultaneously.

Which of the following requires the action of a first class lever in the body

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

The potential to eradicate preventable diseases in the future depends on other societal factors that influence coordination and deployment of global health resources. for example, 70 confirmed cases of circulating vaccinederived poliovirus type 2 (cvdpv2) were reported syria, which is embroiled in war. where else are similar societal challenges preventing the eradication of polio? uzbekistan. nigeria. pakistan. a and c. b and c.