Which question can be answered by an experiment? A)
Do sugar substitutes cause cancer?
B)
Did an ice age kill off the mastodons?
C)
What caused the extinction of the dinosaurs?
D)
Are all people susceptible to the Hunta virus?

Options A and D

Explanation:

because options B and C are part of history, you can learn about them on the internet plus there is no way we can experiment with those options. Options A and D may be right because of course, we can experiment if sugar substitutes cause cancer, and if all the people are susceptible to the Hunta virus.

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.