Given that A+B=C and C is perpendicular to A. Further if |A|-|C|, then what is the angle.(note that this are vector) between A and B

(1) π/4 radian (2) π/2 radian

(3) 3π/4 radian (4) π radian​

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above

Which component of the earth’s atmosphere is decreased due to photosynthesis?