The width of the labelled cell in Figure 4 is 6 mm. The cell has been magnified 750 times. Calculate the actual width of this cell in mm.

Give your answer in standard form.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which layer will become saturated first when rain falls?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?