Which of these types of weathering requires the presence of water? A. Abrasion
B. Heat effects
C. Oxidation
D. Solution

What evidence did mendel find that supported his law of independent assortment? a. dominant traits are expressed when there is a dominant allele. b. traits do not affect the inheritance of other traits. c. some traits have three or four different alleles. d. plants and animals can both reproduce sexually.

During sunny hours, a large amount of build up between the hours of 1: 00-5: 00 pm. a. ozone b. mercury c. lead d. sulfuric acid

Classify the structures as homologous or analogous, depending on their structure and function.