Answer:
Iodine
Explanation:
Iodine is needed by animals because the body's metabolic rate is controlled by the action of an iodine hormone, called thyroxine, which is secreted by the thyroid gland in the neck.
If the animal fails to supply enough iodine through food to be able to make a normal amount of this compound, then the thyroid gland enlarges or expands trying to create enough, resulting in a common type of goiter.
Answer:
h - height
Explanation:
gravitational potential energy = m * g * h
m stands for mass. Mass doesn't change in physics
g stands for gravitational acceleration. It is a constant.
h stands for height. When the skater moves up and down the track the height from the ground changes. Therefore this variable does change.
Answer:
searching
Explanation:
is the best way to find and search for the fossil
You may not operate a vehicle unless all child passengers FOUR YEARS OF AGE AND UNDER are properly restrained with an appropriate safety device.
Traffic law requires that children four years and below must be properly restrained in the vehicle using appropriate devices such as car seats.
Children older than four years have to use the safety belt when they are inside the car.
Photosynthesis Is generally the opposite of cellular respiration. To drive the organisms metabolism photosynthesis has an exothermic reaction.
