Which is an organ?

1 heart

2 circulatory system

3 blood

4 muscle tissue

When Scuba Steph got back to the beach, she sat in the sun. After a little while, she noticed that there was a white, powdery residue on the sleeve of her wetsuit. What is that? A. Dust from the coral reef she must have accidentally hit B.

What causes lift Radiation Conduction Water vapor Convention

List the 3 main types of volcanoes and describe each one.

Which postmortem parameter begins at 3 days? A) rigor mortis B) putrefaction C) Livor mortis D) algor mortis

Proposed that an organism could acquire an adaptation or trait that would make it more fit within its life time and it could then pass the trait to its offspring

Which of these is a solution, where the solute and solvent are in the gas phase? A) air B) ozone C) brass D) carbon dioxide

The roads in northern states (like Michigan) need to be repaired more often than roads in southern states (like South Carolina). Explain the effects mechanical weathering could have on this?

A substance that form hydrogen ions when dissolved in water is called a?

A red and white snapdragon are crossed, and their offspring is pink. This is an example of

Around the Salt Lake, what is the geologic age of the area and what type of geologic unit is found there?