QUESTION 3 The troposphere:l?
O a. is thickest at the tropics.
b. often disappears near the poles in winter.
O c. is thinnest at the tropics.
O d. maintains a steady temperature as one goes up into it off of the ground.

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

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity