Answer:
A variation is different to an adaptation as a variation is a difference or variety inside a species, for example a different breed of dog such as a spaniel is a variety of the dog species, whereas an adaptation is a genetic mutation that has developed in order to help an animal survive, such as giraffes having a long neck. Adaptations continue throughout the species due to natural selection.
The answer is true letter a
It measures the total rate at which photosynthesis or chemosynthesis happens in a system.
The answer is A. rent . Also some other fixed cost is buildings and machinery. Hope this helps
