Most of the earths history occurred during which of these times?

A. cenozoic

B. Mesozoic

C. Paleozoic

D. Precambrian

Which statement is true about transmission and absorption? Transmission is when light passes through an object and absorption is when some or all of the light is taken in or absorbed by the object.

Name three situations in which force is created

Which describes a virus? Viruses produce toxins that damage cells. Viruses enter host cells to reproduce. Viruses reproduce best in warm, dark places. Viruses damage cells indirectly.

A quantity that is related to the ability of an object to change or cause change

The Gulf stream moves heat towards the countries in the North Atlantic Ocean. How does this influence the climate in coastal regions of these countries? Select one: a. It causes drought. b. It prevents tornadoes. c. It reduces the amount of rainfall.

What elements are formed only during the supernova phase of large or extra-large madd star?

When a solid A of mass 12g is completed immensedin a measuring cylinder filled with water it diplaces the same volume of water as does solidB if mass 8 what can be deduced about the densities of solid AandB

Write the energy equivalent to 300 units of electrical energy in joules

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?