Why is the Huronian Supergroup rock formation particularly interesting to scientists?

A .because it looks like a cross-section of a giant, stone encyclopedia

B .because it formed during the period when oxygen began to accumulate in the atmosphere

C .because it contains unusually large amounts of oxygen and sulfur

D .because it formed during the period when oxygen began to accumulate in the atmosphere

Which type of neuroglia is found outside of the brain?

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each type of organism to a characteristic that describes it.