Help! For which reason are various countries reluctant to make firm commitments to make deep reductions in greenhouse gases?

A. They believe reducing greenhouse gases will reduce the standard of

living in their countries.

B. Most of the emissions come from just a few rich nations.

C. They believe reducing greenhouse gases will not make a difference on

climate change.

D. all of the above

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

What is the sequence of amino acids corresponds with the rna strand ucg ggg cac

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative