Salinization is defined as _______________
A. the use of cover crops to manage excess salt
B. the removal of salt from seawater
C. the loss of biologically productive land to desert
D. the effect of salt pollution from winter roadways
E. the build up of salts in the topsoil
Ans: E. the build up of salts in the topsoil
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About 4% of those of Northern European descent are carriers for ____, an autosomal recessive genetic
disorder where a defective membrane transport protein leads to abnormal chloride levels in extracellular fluids.
a. Duchenne muscular dystrophy b. phenylketonuria c. achondroplasia d. sickle-cell anemia e. cystic fibrosis
Distinct layers in the soil that are created by localized chemical and physical processes are called ________
Fill in the blank(s) with correct word
The parietal bone of the skull could arise from any of the following structures, EXCEPT
A. Branchial Arches B. Pharyngeal Arches C. Sclerotome D. Somites E. Somitomeres
When the body's blood glucose level rises above normal, what hormone is produced?
A. Glucagon B. Epinephrine C. Insulin D. Prolactin E. Norepinephrine