A studentt observe a fish resting in the classroom fish tank. the fish mouth was openning and closing regulary as it pumped water over its gills. Why was the fish pumping water over its gills?

What is the atomic mass of the element cobalt (Co) ?

Want important trait do all Protists share

Name another semipermeable object. what can pass through it what cannot

Which of these would be the most effective at destroying Giardia, a protozoan that infects the intestinal tract? anti-inflammatory antiparasitic pain relievers antihistamines

What disturbing force is responsible for producing the majority of tsunami?

When animal cells undergo cell division, several cellular structures aid the the movement of chromosomes into the two new daughter cells. What are these cellular structures?

explain how DNA results in the expression of a gene using the following words:DNA, mRNA, tRNA, gene, transcription, and translation

What determines how many trophic levels a rain forest ecosystem can support?

How far does light travel in one second

You have learned that variable costs change depending on the amount of the product the company is providing. Fixed costs are the same no matter how much of the product or service the company is providing.