A classmate is working on her presentation on the endocrine system for class. You overhear her as she says, "This gland is often called the ‘master gland’ because it has an effect on the secretions of all the other endocrine glands." It sounds as though she is talking about the

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.

Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain

What happens to the amount of waste in the pond as the ecosystem ages?