For each of the following, predict the complete, balanced chemical equation for the reaction that occurs when they are mixed. Make sure to label the states. 1. HNO3 & NaOH 2. Sr(OH)2 & HI

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?