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A simple refracting telescope has an objective of focal length 75 cm and an eyepiece of focal length 3.0 cm.When viewed by the naked eye,the moon subtends an angle of about 0.009 radians.What angle is subtended by the moon when it is viewed through this telescope?
Venomous Snake
A snake that produces venom, a toxic substance used predominantly for immobilizing or killing prey and for defense against predators.
Cytokines
Small proteins released by cells that have a specific effect on the interactions and communications between cells or on the behavior of cells.
White Blood Cell
Leukocyte, of which there are several types, each having a specific function in protecting the body from invasion by foreign substances and organisms.
Universal Donor
A term often associated with blood type O negative, referring to individuals whose red blood cells can be transfused into persons of any other blood type without causing an adverse reaction.
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