Chemistry, 16.12.2020 19:20, JellalFernandes

PLEASE HELP ON MY FINAL Which of the following factors have been most influential in allowing manned space exploration?

A- design of rockets capable of escaping earth’s gravitational pull
B- ability to turn food into pills and powders so they can be eaten in space
C- development on powerful batteries which provide light for astronauts to use in the darkness of space
D- creation of atmospheric systems that provide oxygen while absorbing carbon dioxide

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PLEASE HELP ON MY FINAL Which of the following factors have been most influential in allowing manne...