The environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint (option A).
<h3>What is ecological footprint?</h3>
Ecological footprint is the measure of how much biologically productive land and water area an individual, population or activity requires to produce all the resources it consumes and to absorb the waste it generates using prevailing technology and resource management practices.
Living organisms make use of resources in the environment and these can either leave negative or positive effect on the environment that will affect sustainability.
Therefore, it can be said that the environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint.
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Recall that a period is horizontal, and a group is vertical.
So if cobalt is moving "down" a period, it would be most logical to say that it would be Ni, or nickel. It could also be Copper, Zinc, Gallium, and so on. Make sense?
Answer:
hailstones --> Hail is a type of precipitation, or water in the atmosphere. Hail is formed when drops of water freeze together in the cold upper regions of thunderstorm clouds. These chunks of ice are called hailstones. Most hailstones measure between 5 millimeters and 15 centimeters in diameter, and can be round or jagged.
i am sorry i can not answer the oxygen question because it is not all there.
Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight into chemical energy. <span>
Cellular Respiration - </span>a biological process in which cells convert sugar, amino acids and fatty acids into energy utilized by the cell.<span> The process plays an essential role in maintaining the biological functions of all living cells.</span>
The statement that explains why randomized controlled trials are often "double blind" is as follows: to decrease bias by ensuring both the participants and researchers do not know who is receiving the treatment and who is not (option B).
<h3>What is a double blinded experiment?</h3>
Double-blinded experiments are forms of scientific testing in which some information is withheld from two different parties.
In summary, neither the tester nor the subjects tested know which are the control items and which are the test items.
A double blinded is conducted to reduce or eliminate bias between the participants and researchers.
Therefore, the statement that explains why randomized controlled trials are often "double blind" is as follows: to decrease bias by ensuring both the participants and researchers do not know who is receiving the treatment and who is not.
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