Answer: I just finished a health class last semester so I am willing to help you and direct you to some useful sites.
Hope this helps! :)
Explanation:
<span>Mark
McGwire publicly admitted using steroids to enhance his performance
throughout his professional career, including the 1998 season, when he
broke what was then the record for the single number of home runs in a
season.
- True
</span>
Light-sensitive cells in the retina at the back of our eye allow us to see. The human eye has two types: cones and rods. Rods are extremely efficient; a tiny amount of light can trigger them. They are responsible for our night vision.
