I mean a parent would get worried at an injury but head and spinal injuries can be very serious and sometimes hard to catch. Like brain bleeds and etc
Calcite is the most common rock
The carbon that plants need for photosynthesis comes from (carbon dioxide gas in the atmosphere)
Answer:
The substances used in the beginning of a chemical reaction are called the reactants and the substances found at the end of the reaction are known as the products.
Explanation:
