All lipids share this characteristic.
a. They are all made of fatty acids and glycerol.
b. Lipids generally don't dissolve in water.
c. Lipids are all acidic when mixed with water.
d. In general, lipids have a low energy content.

Which units ate used to measure both velocity and speed? check all that apply

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.