An accident resulted in a man’s hand being cut off from his arm. paramedics arriving first on the scene
placed the cut-off hand in ice. the man and his hand were flown to a hospital, where doctors
successfully reattached the hand to his arm. explain, using one biological reason, why placing the hand
in ice improved the chances of saving it.

If a robot fixed another robot is it a engineer or doctor?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

On his trip to the galapagos islands, darwin determined that animals on the islands