What is the mass of oxygen in 230 g of sulfurous acid, H2SO3? (With solving pleaseee)

Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration

Aman applies a force of 500n to push a truck 100m down the street how much does he do?

What are fossils of organisms that existed over a wide area but only for a limited time period called?