What is a basic requirement of a scientific hypothesis must have?

What can cause extinction of a species? A) quick adaption to change B) adaption that do not overcome challenges of the environment C) adaptions that overcome challenges of the environment D) having behavioral adaptions

Fossils are most often found rock

Fresh water from the trinity river eventually flows into the salt water of the gulf of mexico. where would the fresh water from the trinity river immediately travel to?

Which level of organization within the biosphere is made up of many different organisms that exist in the same environment as well as the nonliving things that they interact with?

Which explains how the Great Lakes cause excess snow on the eastern edges during the winters? A. As the winds blow west over the lakes, they warm, thereby leaving the cooler air mass to drop snow on the eastern shores. B.

21. Which step in cellular respiration occurs outside of the inner membrane space of the cell mitochondria? a. Krebs Cycle c. Transition Reaction b. Citric Acid Cycle d. Phosphorylation Reaction

Selectively cutting down trees on an area of land can be best described as?

Particles are displaced perpendicular to motion (up and down) in which kind of wave? Transverse Or Longitudinal

Which of the following is a cost of mining aluminum from new bauxite deposits

Which atoms are in all carbohydrates? Carbon, Iron, Oxygen Carbon, Hydrogen, Oxygen Carbon, Hydrogen, Nitrogen Nitrogen, Phosphorus, Oxygen