The earth’s crust is principally composed of
a.
granitic and sedimentary minerals
b.
granitic and basaltic minerals
c.
basaltic and sedimentary minerals
d.
none of the above

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis