Answer:
a. the process by which new blood vessels develop
c. undelies much of the growth and spread of different cancers
d. controlled by vascular endothelial growth factor (VEGF)
e. occurs with endurance training
Explanation:
Angiogenesis is the process of forming new blood vessels in the human body. The new blood vessels formed by growth, migration and differentiation of the endothelial cells located in the wall of blood cells. The formation of new blood cells (angiogenesis) is under control of vascular endothelial growth factor (VEGF). The new blood vessels provides oxygen and nutrients to the growing tumors, angiogenesis helps in growth and spread of cancer.
Answer:
Gas Sulfur Dioxide and Ash
Explanation:
Gas sulphur dioxide and ash have a cooling effect on the surrounding environment after a volcanic eruption. The gas sulphur dioxide has special properties which allows it to reflect sunlight away from Earth. It also reflects other volcanic gases in the atmosphere, which ensures cooling at the site of the volcano.
correct answer is d. all plants and animals in grand canyon
Longitudinal studies make comparisons over time, whereas cross-sectional studies make comparisons at a single point in time. hope that helps some
