Which of these statements are the same for both nuclear reactions and chemical reaction? check all that apply. a)both can be represented by balanced equations. b)both involve changes to electron arrangements in atoms. c)both involve a change in energy. d)both result in a change in the identities of elements.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.