Question

look at these details from a paragraph about the same topic: some makeup and face creams are made with algae. in addition, algae is found in products used to thicken soups and sauces. algae is also used in products that help fertilize growing plants. choose the main, or central, idea that ties all the details together. algae grows in a number of places. algae is an important ingredient in various products. scientists use algae to help make new medicines. farms can use algae as fertilizer.

Explanation:

The details mention algae being used in makeup, face - creams, thickening products, and fertilizers. This shows its use as an ingredient in various products.

Answer:

Algae is an important ingredient in various products.