An element is any substance that cannot be broken down into simpler substances. The smallest unit of an element is called an . compound

gene

atom

cell

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa