1) А.
What limits what scientists can study in their work?
They can study only phenomena that they can observe or model.
They can study only the events that take place on Earth.
They can investigate only questions that they were the first to ask.
B.
C.
D.
They can investigate only the areas of science in which they are experts.

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)

What is the compliment dna strand to the following sequence: ttgactaggcta

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.