Anyone have a zoom they want me to join??
IF u do i need ur id and passcode

What do animals wth echolocation have in common other than echolocation

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere