In some parts of the world, such as the sahara desert, sunlight tends to be very intense. in these regions, it is common for people to wear long, loose-fitting robes.

what is the most likely purpose of these robes?
a.
to protect them from the sun but still allow air to flow near their skin

b.
to increase the amount of sunlight that strikes their skin

c.
to protect them from the sun and stop air from flowing near their skin

d.
to decrease the amount of air flowing near their skin

What is the best-known carbohydrate?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%