Define consumer and give at least one example​

A consumer is a person or a group who intends to order, orders, or uses purchased goods, products, or services primarily for personal, social, family, household and similar needs, not directly related to entrepreneurial or business activities. Consumers: any organism that can't make its own food. Consumers have to feed on producers or other consumers to survive. Deer are herbivores, which means that they only eat plants (Producers). Bears are another example of consumers.

Explanation:

Examples of primary consumers are zooplankton, butterflies, rabbits, giraffes, pandas and elephants. Primary consumers are herbivores. Their food source is the first trophic level of organisms within the food web, or plants. Plants are also referred to as autotrophs.

in 1783 cavendish was working with his hydrogen gas and found that when he burned it and condensed the vapor it was water. this was very significant since it disproved the greek theory of elements completely since water was not a simple substance but the product of two gases. it was lavoisier who hearing of the experiment gave cavendish's gas the name hydrogen ("water-producer") and added that hydrogen burned by combining with oxygen and that water was a hydrogen-oxygen combination.

explanation: