If an egg is in one of the fallopian tubes, approximately how many sperm will surround it and try to cross the egg cell's membrane?

A. hundreds

B. thousands

C. millions

D. billions

How do the biomes change as you go from west to east across the United states?

The explanation which Isaac Newton gave for the equal and opposite reaction to every applied force is summarized in: A. 1st Law B. 2nd Law C. 3rd Law D. Universal Gravitation

Where is dense connective tissue found

Which is an autotroph? Question 4 options: alga mushroom sparrow wolf

Light is composed of photons that contain energy true or false

Which of the below is TRUE regarding desertification? a. It is likely to happen in any type of climate b. It produces rich desert ecosystems c. It is not usually impacted by droughts or climate change d.

What is considered a pre existing medical condition?

Humans do not eat the algae directly from the ocean, so how can we still be affected by it?

In an effort to control the ongoing cholera epidemic affecting Haiti, health officials are considering the use of cholera vaccines. One difficulty they are facing is the limited vaccine supply.

which term refers to the structure that forms the surface of a cell separeting its conctents from the outside world