4. If the bar magnet is carefully cut in half into two smaller magnets, they will
each have
a. only north poles.
b. only south poles.
c. north and south poles.
d. no north or south poles.

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

Land conservation is a worldwide priority. there are several methods to prevent the loss of land due to a variety of reasons. which method is not a way to conserve land? a) sea walls b) rainwater harvesting c) limits on clear cuts of forests d) cut and burn methods of clearing land

Earthquakes a. created the rock in arches utah b. can be caused by volcanic eruptions c. are caused by tsunami waves d. wear mountains down into hills