Ques: Q: The procedure known as angioplasty is used when what part of the circulatory system is clogged? Choices: - lungs - the heart - the spinal cord - blood vessel A:
Ans: blood vessel

Ques: Q: The primary nitrogenous waste material secreted by ureotelic animals is what substance? Choices: - ammonia - carbon - nitrate - urea A:
Ans: urea

Ques: Q: Within the first 8 weeks of gestation, a developing embryo establishes the rudimentary structures of all of its organs and tissues from the ectoderm, mesoderm, and endoderm. this process is called what? Choices: - abiogenesis - biosynthesis - parthenogenesis - organogenesis A:
Ans: organogenesis

Ques: Q: Latitude affects the amount of what received by an area, which in turn affects the temperature of a region? Choices: - chemical radiation - geothermal radiation - current radiation - solar radiation A:
Ans:
solar radiation