4) When two or more different elements unite chemically, they form a A) compound
B) mixture
C) metalloid
D) solution

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum