sometimes during their orbits, the moon &’ the earth form a line with the sun. when this happens, an eclipse occurs. there are two kinds of eclipse- lunar &’ solar. can you identify them? identify each eclipse seen here. then match the descriptions to the correct term/phrase.

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d

Explain the purpose of a molecular clock and the properties that a section of protein must have to be used in this way.