Which could describe the properties of sedimentary rock? A. blocklike or square crystals
B. foliated crystals
C. Large crystals, flattened into visible stripes
D. rounded grains cemented together by dissolved minerals

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.