(The images below show two samples of igneous rocks. Granite has larger crystals than Obsidian.) (8th Grade Middle School Science)
Which of the following statements best describes why granite has larger crystals than
obsidian?

a.) Granite cooled underground
b.) Granite is and extrusive rock
c.) Granite cooled very quickly
d.) Granite formed longer ago in Earth's geologic history.

Does the temperature affect the solubility of sugar and salt in water? if it does tell me like different temperatures with different solubilities so i can sketch down a graph

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next