Cholera is caused by the bacterium, Vibrio cholerae and produces CTX (cholera toxin, choleragen)...
Calcium is few of the main sources for healthy bones, teeth, and muscles.
Isnt it not desirable? you dont want friction to act when you push a box
Correct answer: A) Extension
Extension is a physical position that occurs when angle between the bones and the limbs of joint increases.
It takes place when there is a contraction of muscles and bones move the joint from a bent to a straight position, it is opposite of flexion, in which the angle between the bones and the limb at the joint decreases.
Example: During straightening of the leg, the angle between the tibia and femur increases, which shows extension has taken place.
Answer:
Introduction of non-native species
Explanation: