The earth is considered to be in the Goldilocks zone. why?

Which of the following represents a negatively charged ion? of t 7

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping