A star is held together by:

gravity

nuclear fission

nuclear fusion

acceleration

Which consumers live in the open ocean? A. sponges, sea stars, and sea anemones B. swordfish, dolphins, and sharks C. giant tube worms, bacteria and clams D. phytoplankton and seaweed

When a scientist serves in an advisory role to society, he or she must

A change in a physical property of matter can indicate

What combination of factors can change dry ice into a liquid

The stock solution of hydrochloric acid is 12.0M HCI. If the teacher starts with 130 ml of this concentrated acid, what volume of 3.0M HCI can be prepared?

What explains the observation that FADH2 oxidation yields one less ATP than NADH oxidation by the Electron Transport System

What would you measure a cooking pot by

Is pancakes cooking on a griddle a physical or chemical change?

To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to measure its heat capacity. She first weighs the rock and finds that it has a mass of 4.7 g. She then finds that, upon absorption of 52.

In most Acid-base reactions, what type of bond (ionic or covalent) is formed between the ions of the "salt"? What happens to the electrons in this sort of bond? Are they transferred, or shared?