Camden constructs a model of a double convex lens using two clear plastic circles that are round on one side and flat on the other. he attaches the circles at the edges. How does his model look?

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?