When vinegar and baking soda react, the mixture becomes cold to the touch and a gas and a new liquid substance are formed. Which best describes what is occurring in the reaction?

Why give amoxicillin before wisdom teeth removal?

The space between the iris and the cormea is the a. anterior chamber b. posterior chamber c. canal of Schlemm d. vitreous body e. pupil

A scientist is examining a multicellular organism that has the ability to harness the energy from the sun to make its own food. What kingdom would be the best option when classifying this organism? A. Animalia B. Archaea C. Fungi D. Plantae

Which amino acid is critical for crosslinking of keratin fibers?

Which of the following is a true statement about osmosis? A. Osmosis is diffusion of sugar molecules across a membrane. B. Osmosis is diffusion of water molecules across a membrane. C. Osmosis is diffusion in plants cells. D.

What created the abundant agriculture in the Napa Valley of California? A:oceanic-continental convergence B: an earthquake C: a tsunami D:continental-continental convergence

Why is it difficult for most chemical reaction in living things to occur without enzyme?

Touch sensations and proprioception are carried primarily along the: a. spinocerebellar tract b. dorsal column system c. spinothalamic tract d. spinoreticular tract

What is the first step of DNA replication?

Whats not a pathogen a. virus b. dust c. fungus d. bacteria