Acommunity in texas broadcasts public service announcements on tornado safety right before spring. why is this the most effective time to do so?
a)
it is the time of year when the temperature contrast is greatest between colliding polar and tropical air masses over the central united states.
b)
it is the time of year when the temperature contrast is the least between colliding tropical air masses over the central united states.
c)
it is the time of year when the temperature contrast is the least between colliding polar and tropical air masses over the central united states.
d)
it is the time of year when the temperature contrast is greatest between colliding tropical air masses over the central united states.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

i believe the answer is c

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

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