Could life as we know it exist if our air only contained oxygen?

Both bacteria and rocks split to give rise to more of their kind. Why are bacteria said to reproduce, but rocks are not?

How common is abuse in a relationship?

Will upvote if answered An ionic bond: is the attraction of two similarly charged ions is the attraction of two oppositely charged ions involves actual transfer of electrons does not involve actual transfer of electrons

Which metabolic reaction occurs when a cell uses energy? a. atp releases a phosphate group and becomes adp. b. atp gains a phosphate group and becomes adp. c. adp releases a phosphate group and becomes atp. d.

12) Scientists study the biosphere to examine the relationship between biotic and abiotic factors that impact the entire planet and the hierarchy of life.

What causes the movement of calcium and sodium ions in and out of cardiac cells?

if research is restricted. then the new discoveries made are limited. which action is most likely to increase the number of discoveries scientist can make?

Which statement about nuclear fission is false? a: nuclear fission takes place in the core of the stars b: the fuel for nuclear fission is often uranium c: nuclear fission releases large amount of energy d: nuclear fission is used to generate

Some monkey flowers (Mimulus guttatus) living near the sites of copper mines can grow in soil containing high concentrations of copper, which is toxic to most plants. Copper tolerance is a heritable trait. Select the three statements that are true.

The lowest level of environmental complexity that includes both living and nonliving factors is the A: Biome B: Community C: Ecosystem D: Biosphere