Answer:
c. Ecosystem science
Explanation:
<em>Sustainability is incorrect because it means the existence of resources for a long term.</em>
<em>Environmental science is incorrect because it is the branch of science that studies the processes and interactions that affect the environment.</em>
<em>Biodiversity science is incorrect because it is the study of various species that occupy a particular area.</em>
The correct option is c. Ecosystem science is the study of community of living organisms, how they interact with themselves and with non-living components of the community.
Which simple machine can be described as a rope that is threaded through a wheel or disk?
The correct answer is B - Pulley
A pulley is a simple machine that is used to lift loads. It consists of a wheel on which a rope is placed and the rope is pulled by the person towards himself to lift the load that is tied on the other side of the rope. There are three main types of pulleys: fixed, movable, and compound.
The sentence that states that " When Donnie is unhappy with how an experiment has turned out, he chooses not to share his findings with the public or his colleagues"
"he continues performing an experiment until he reaches the conclusion that he wants and expects. "
Answer:
The correct answer is A...........
As many as there are needed. you just can't have many independent variables