PLease help

Which of the following is true about vigorous intensity movements. playing single tennis or riding a bike on a hilly surface playing soccer riding bike on a flat surface playing double tennis or playing basketball all of the above

List the benefits of vitamin c and vitamin b

Explain the signs and symptoms of alzheimer's disease with the following concepts: what causes this degenerative disease to occur in the brain? what would be the signs a patient should look for? explain.