This table shows how the number of kingdoms has
changed with each major scientist
Which number belongs in the space labeled X2
Number of Kingdoms
Scientis
Aristotle
Linnaeus
Whittaker
Woese

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Which of the following statements best explains why chemistry is testable a) it can measure data by experiments b) it cannot add new evidence c) it cannot be verified d) it is biased