What is common between the environmental changes of ice ages and global warming?

They influence global temperatures in the same way.
They have the same causes.
They can lead to extinction.
They disrupt the same species in the same ways.

What statements describe a host organism?

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

At which location in earth’s interior does the top density continue to increase as thickness decreases?