Answer:
energy from the sun that reaches earth
A) Head to tail joining of monomers. :) (confirmed correct answer, I took the test)
Answer:
not quite sure what you meant by the question but I think the answer you're looking for is biomass? not sure though
Answer:
1. B, D,
2.A, F
Explanation:
1. According to the law of conservation of mass, In a course of chemical reaction, matter can neither be created nor destroyed but can be changed from one form to another. This means the amount of matter at the begining and ending of a reaction must be thesame.
2. Chemical reaction is not easily reversible. when gas is produced, provided the reaction system is an open system, the gas cannot be recovered and the reactants cannot be recovered from the products. likewise color change are attributed to chemical reaction
