Hi this is not biology but. Which one of the three main layers of the earth contains convection currents that slowly move lithospheric plates?

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

What are some possible short and long term medical concerns for crew members on longer space exploration trips

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system