All of the following are a source of carbon in the carbon cycle except:

Sunlight

Sediment

Animals

Fossil Fuels

Humans face a problem because once petroleum reserves begin to run out, there won't be enough fuel to power all the automobiles in the world. Which of the following is the best potential long-term solution to this specific problem of energy supply?

Which of the following could be classified as matter? desk, water, idea, cloud, helium, dream

Which substance has the lowest amount of hydrogen ions? stomach fluid vinegar coffee Household bleach

What is the molecular formula for a compound with an empirical formula of CH2O if its experimentally determined molecular weight is 180 amu?

What is a chemical compound and how is it used?

One molecule of water consists of: a. one atom of oxygen covalently bonded to two atoms of hydrogen via a shared pair of electrons. b. one atom of oxygen bound to two atoms of hydrogen via ionic bonds. c.

Which statement identifies a characteristic of a scientific theory? A. It's a subjective B. It's a proven fact C. It's based on a opinion D. It may change over time

Which of the following should workers do to prevent being pinned between equipment or other objects

Why are noble metals for example Rhodium, Palladium, Platinum, and Iridium largely used in chemical manufacturing as heterogeneous catalyst?

Ocean lithosphere is lighter than continental lithosphere