How many different elements are represented in the chemical formula? CH4 + 202 → CO2 + 2H2O
A.7
B. 5
C.4
D.0.3

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?