Which symbols represent the ions in a glass of water? a. o2 and h2
b. oh- and h+
c. co2 and o2
d. nh-3 and h+

Long term exposure to waves can cause sunburns and skin cancer.

Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.