Your old high school pal mike errington wants to upgrade an old 1976 vintage room air conditioner that is believed to operate at an eer of 5.5. he is considering a room air conditioner with an eer of 11. he wants to know by what percentage is electricity consumption would reduce? can you find it?
a.0.5 %
b.50 %
c.200 %
d.2 %

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.