Which of the following physical activities would be most beneficial for people who want to improve heart and lung strenght as well as cardiovascular and muscle endurance? A
Low-intensity aerobic activity for short periods of time.

B
High-intensity anaerobic activity for short periods of time.

C
Moderate to vigorous aerobic activity for long periods of time.

D
A combinatioin of moderate to vigorous aerobic activity and high-intensity interval training.

The us government wants to allocate billions of dollars in the next 10 years to assure our future energy security. the funds will be spread among a variety of possible energy resources. where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas exploration, or a combination of sources? are there other efforts that should be explored? support your position with cited information for both questions.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

What is the temperature in degrees celsius of a substance with a tempature of 49k