What are possible effects of long-term environmental changes? Check all that apply.

adaptation

extinction

migration

speciation

starvation

Two fluorine atoms held together by covalent bond. Which statement correctly described this bond?

Read these scenarios about two different countries

A chemist forms a solution by mixing 0.50 mol glucose and 2.0 kg water. How many moles of solute particles are in the solution?

Although all protein structures are unique, there are common structural building blocks that are referred to as regular secondary structures. Some have alpha helices, some have beta sheets, and still others have a combination of both.

Separate this redox reaction into its component half-reactions. 3o2 4co

What is 19 hundred thousandths in scientific notation

There state of matter that keeps its shape and volume when it is placed in a container

Our body solution tests at a pH of about 6.8. This pH is:

A diatomic gas has the molar mass of 38.00g/mol. what is the possible formula?

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L