On science a hypothesis must be

Which of the following happen in the female reproductive system? A. Fertilisation and reproduction. B. Fertilisation and implantation. C. Digest action and gestation. D. Reproduction and digestion.

Why is most of the mass of the atom in the nucleus? A. Protons are located in the nucleus of the atom, and they are responsible for the mass of the atom. B.

If a sample of air with a volume of 50 cm contains 15g of water vapor, what is its absolute humidity? 1.0 g/cm 750.0 g/cm 3.3 g/cm 0.3 g/cm

How does wind primarily cause erosion A. by abrasion B. by deflation C. by decomposition D. by evaporation

What are the organs produce special reprouductive cells in the male body

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

Which part of the endocrine system is located in the middle of the brain