Which of the following chemical equations is unbalanced?

A) CH4 + 2O2 CO2 + 2H2O
B) 3Mg + Mn2O3 3MgO + Mn
C) AgNO3 + LiOH AgOH + LiNO3
D) 2NaOH + H2SO4 Na2SO4 + 2H2O

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.