Explain why there are more substances on earth than are listed on the periodic table of elements.

The periodic table only accounts for elements.  It does not account for compounds, such as water.

Elements are pure substances with only one type of atom. When two or more elements are combined, compounds are formed. This allows more substances to be created on Earth.

Explanation: 100% correct just took edgenuity test

i think that c)gold was found there

but i am not sure

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.