Which phrase describes the study of ecology? a. transfer of energy in the physical world b. growth and development of organisms c. relationships between living things and their environment d. comparisons between biotic and abiotic environments

Ecology is a branch of biology that focuses on the relationships formed between other organisms and their surroundings. So, your answer would be C.

Hope this helps!

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

nucleus

would be most reasonable answer tbh