PLZ HELP ME ILL GIVE 20 POINTS AND BRAINLIEST!!! :'(
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This is my fourth time posting this plz help me

Hydrogen and helium are both members of?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.