The answer is usefulness and profitability. An ore is a mineral or aggregate of minerals known as ore deposit and this can be mined or extracted like a metal. Hope this is the answer and would be of big help.
A food chain shows a single connected path of energy flow through an ecosystem. It shows the different levels of eating in an ecosystem. Both a good web and a good chain include a number of organisms including both producers and consumers. A food chain is very simple while a food web is complex and consists of a number of food chains. In a food chain each organism has only one consumer or producer.
Answer:
Germs
Explanation:
Germs is what forms all of the following, im not sure but I think germs would go in the blank
Answer: the functions of the skeleton. Structure, protection (ribs), allow movement, chemical/physiological: stores calcium and the tissues are made up of the same material
Explanation: