Which polymers contain nitrogen? A. starch
B. glycogen
C. cellulose
D. chitin
E. amylopectin

What is the name of the two satelites on mars

In what layer of the sun is energy transfers between atoms

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low