In order for Tiktaalik to be considered a transitional fossil, when does it need to have appeared in the fossil record? a) after amphibians
b) between fish and amphibians
c) before fish
d) at the same time as amphibians
e) before fish and amphibians

PLZ ANSWER URGENT ASAP

Blood made up of red and white blood cells work together to form

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

What will happen if deforestation continue to destroy the green plant on the planet