If you take 40 pounds of luggage with you on a vacation and you buy 10 pounds of souvenirs for your family (because you're really nice), do those extra souvenirs change the density of your luggage? If the density does change, how does this happen?

Which aristocrat tried to save Marie when she falls in the river

What is the difference between septate and nonseptate hyphae

The Mid-Atlantic Ridge is responsible for the formation of Iceland. Explain how this is possible.

Scientists have found another horse fossil called Mesohippus which had a shoulder height of 60cm and had 3 toes. Make a hypothesis about when you think this fossil lived (measured in millions of years ago) and support your hypothesis with evidence.

What is one purpose of ATP molecules in plant and animal cells

Where did the largest tsunami form?

What is the human genome project

The swordfish contains a heat generating organ that warms its brain and eyes up to 14°C above the surrounding ocean water temperature.

If an organism's haploid number is 12, its diploid number is a. 6. b. 24. c. 12. d. 3.

A scientist makes the argument that two species of butterflies should be considered the same species because they have similar DNA, similar wing length, and similar migration patterns.