What is the force behind mass movements?
a. is the sun's energy
b. flowing water
c. gravity
d. moving ice
1.c 2.b 3.d 4.c 5.b 6.a 7.c 8c

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Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

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

Name the part of the the brain labeled "e".