Hat is the ultimate source of energy for the Earth? a. photosynthesis b. respiration c. the sun d. nutrient cycles

Which of the following would be the SI unit to use in the measuring the temperature of a hot liquid? A: ampere B: Mole C: Kelvin D: celsius

11. Which one of the following is a correct formation reaction? A. C (diamond) → C (graphite) B. H2 (g) + O (g) → H2O (l) C. C (graphite) + 4H (g) → CH4 (g) D. 6C (graphite) + 6H2O (s) → C6H12O6 (s) E. 2C (graphite) + 3H2 (g) + ½O2 (g) → C2H5OH (l)

23. A neutralization reaction between an acid and a base always produces a. salt and acidic anhydride. c. water and basic anhydride. b. salt and basic anhydride. d. salt and water.

Marek is trying to push a box of sports equipment across the floor. The arrow on the box is vector representing the force that marek exerts. What are the forces acting up one the box? Answer quick

What is stored in carbon bonds? Wate water energy glucose ATP

Mixtures have (exact, relative) amounts of the same substances

The Doppler effect indicates that the universe is expanded because A. light from other galaxies is different colors B. light from other galaxies are blue shift C. light from other galaxies are red shift D. light from other galaxies is the same color

2. What is the importance of meiosis and fertilization in sexual reproduction?

Molecules are the smallest units of matter with the characteristic properties of a substance. a. True b. False

For the following hypothetical reaction: 3A + 2B - > 3C. How many moles of C can you produce with 5 moles of A and excess B?