Convection currents are powered by: A. Heat
B. Motion
C. Pressure
D. Density
If you’re gonna guess, do not bother commenting

7th grade Science *Earth

answer; a male inherits only one allele of the x-linked gene controlling hair color;

answer; /// the correct )

"a.) well–developed vascular system."

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.