Select all that apply. which of the fungi listed below are commercially viable important? 1. yeasts2. slimes3. moldes 4. button mushrooms5.truffles

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?