If ribonucleic acid helps assemble proteins, then what helps assemble proteins? Answer choices: - h2o - Veins and arteries. - the body's largest organ - calcium - ribonucleic acid - DNA - oxidation reaction - Chemical energy
ribonucleic acid

If an object at absolute zero cannot be measured by a balance, then what object cannot be measured by a balance? Answer choices: - layers of fat - One at absolute zero - Warm air moving into cold air - all matter - direct damage to the lungs - slow and inefficient - movement of tectonic plates - Continents drifting
One at absolute zero

If competition may cause lions to fight other lions, then what may cause lions to fight other lions? Answer choices: - influenza - Pesticides - cooperation - heat energy - competition - tradition - boredom - hormones
competition