Fish reproduce by all of the following except ? a) external fertilization, eggs. b) internal fertilization, live birth. c) internal fertilization, eggs. d) external fertilization, live birth. i think its b

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

d. organisms have cells with different shapes and functions.