What type of boundary is pictured below? A. Perforated.

B. Ridge.

C. Shear.

D. Subducted.

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change.

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

20 how are energy cycles and growth cycles related?