The type of study that Christy is conducting is the
randomized controlled trial. This is referred as a scientific experiment of
which it has the goal of aiming of reducing bias when they are to test a new
treatment, they are likely to use control groups.
What they said lololololol
Answer:
Matter changes when energy is added or taken away
Explanation:
Most matter changes because of heat energy. When matter is heated enough, the molecules move faster and with greater energy. If enough heat is added, a solid can become liquid and a liquid can become gas.
Answer:
The Constitution Requires the Census
Explanation:
The Constitution of the United States, Article I, Sections 2 and 9, directs that a census or enumeration be taken. ... In 1954, Congress codified earlier census acts and all other statutes authorizing the decennial census into law under Title 13, U.S. Code.
Answer: Sustainability
Explanation:
The sustainability refers to the service and production processes that utilizes the resources in a way that does not cause any harm to the ecosystem. The sustainability ensures the use of resources in a way that does not cause a depletion of the resources to an extent that they cannot be recovered and used again. The sustainability also ensures the utilization of resources in a manner that such resources remain available for the future generation. These resources includes the fossil fuels, minerals and others.