A.
Why are carbon dioxide concentrations expected to increase?
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to
increase.
b. Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
C. Carbon dioxide concentrations are expected to increase, because more land will have to be cleared
for increasing populations and agricultural use.
d. All of the above
Please select the best answer from the choices provided

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.

Isotopes of the same element have differ in their