Can someone help me with this ASAP pls

Are hallucinogen a clinically useful drugs?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.