Answer: the half life of the material is four years
So they can handle the tough terrain, like rocks and dirt and gravel and harsh grounds.
They way they have an advantage of actually being able to move places
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Your answer is C.
Not all systems perform the same function or use the same organs.
I believe the correct answer is A.
Cortisol hormones are stress hormones that increase blood glucose levels. When the level of happiness increases the level of cortisol does not increase.
<h3>What are cortisol and its function?</h3>
Cortisol is the steroidal hormone that is produced in the cortex of the adrenal glands and is discharged in the blood vessels when in stress or danger.
It has a variety of functions including regulation of the blood pressure, response to the stressful condition and increase of the metabolism of the body.
It also acts as happiness hormones along with adrenaline and oxytocin but is a major flight or fight hormone and increases the heart rate in dangerous conditions.
Therefore, the statement is false.
Learn more about cortisol here:
brainly.com/question/26291522