Lee and celia are lab partners. while celia pours a chemical into a graduated cylinder, some of the chemical splashes onto her arm. what should happen next?

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

What happens during interphase? (1)the nucleus grows to its full size. (2)the cell grows to its full size. (3)the nucleus divides into two nuclei. (4)the cell divides into two cells.

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions