Which choice best shows what ALL cells need to survive? O A. food, water, oxygen, and energy
O B. food, water, energy, and sunlight
O C. food, water, energy, and waste removal
O D. food, water, carbon dioxide, and heat

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive