Which statements about scientific explanations are true? i. scientific explanations must prove that a hypothesis is true. ii. scientific explanations should be based on evidence or data. iii. scientific explanations must have logical and consistent arguments. iv. scientific explanations should use scientific principles, models, and theories.

In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l

What is an example of a physical property?

What metric units would you use to measure the thickness of a key