What is always a property of an ore? a. it is renewable. b. it is black in color .c. it is cost-effective to extract. d. it is found in the earth's mantle.

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit