Which of these is an example of a chemical change? a. dissolving salt in water b. breaking a tree branch c. burning a piece of wood d. melting water

wine is made by mixing yeast with grapes and allowing the yeast cells to undergo fermentation. sparkling wine is a type of wine that contains high levels of dissolved carbon dioxide.

The organism is multicellular, eats other organisms for food, and moves freely from place to place. This organism most likely belongs to what kingdom?

How did Scientist find the human gene that makes insulin

Like humans, birds have fast twitch and slow twitch fibers. Flying requires bursts of energy and rapid movement.

What do all elements in a column in the periodic table have in common? Their atoms have the same number of valence electrons. Their atoms have the same atomic mass. Their atoms have the same number of protons and electrons.

List four factors that can cause slope or land movements

Which best describes the scientists who have contributed to our current body of knowledge? A. Almost all males B. People of all races and genders C. Almost all Europeans D. Currently only South Asians

Which process occurs in mitocodria

Biogeographic isolation separates of a species through geographical and biological forces.

The scientists that first described the structure of DNA were: