The “men of goodwill” that Gladden describes are the reformers. That is option D.
A reformer is an individual that fights for a positive change in their society.
From the excerpt, the reformers are those men of goodwill that go out if their way to organise ways to save their people.
Therefore, the “men of goodwill” that Gladden describes are the reformers.
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by extracting hydrogen from it
by converting it into liquid fuels
by making suitable bacteria act on it
by burning it directly
by mixing it with petroleum-based fuels
Answer:
The correct ways to use biomass as a source of energy are:
By converting it into liquid fuels: Biomass can be processed into liquid biofuels like biodiesel and bioethanol, which can be used as alternatives to fossil fuels.
By burning it directly: Biomass can be burned directly as a source of heat and energy. This is often done in the form of wood, agricultural residues, or dedicated energy crops.
By making suitable bacteria act on it: Biomass can be used to produce biogas through a process called anaerobic digestion, where bacteria break down organic materials to generate methane, a valuable energy source.
Explanation:
a. Within the E. coli pellet as the DNA has entered the bacterial cells.
b. On the E. coli cell surface (or phage fraction), as part of the phage protein coat.
c. In the supernatent (free liquid) of your test tube
d. Both A and B
e. None of the above
Why is the answer none of the above? Why cant the radioactivity be detected?
Answer:
The correct answer is option e. "None of the above".
Explanation:
The Hershey-Chase experiment helped to prove that DNA was the genetic material, by specifically labeling the DNA material of a bacteriophage with phosphorus-32. In this experiment the lambda phage is labeled with heavy and light Cl. CI-36, the one that is heavy and radioactive, corresponds to Chlorine-36. Chlorine is not an element found in DNA such as phosphorus, therefore lambda DNA will not be labeled and no radioactivity will be detected.
Answer:
Fossil records provide evidence of an increase in animal species at the same time that atmospheric oxygen levels increased.
Explanation:
A huge diversification among animal species occurred with the increase in the levels of atmospheric oxygen. The reason why the number of species increased drastically was that a whole new world opened up, the land. The land was open for exploitation and taking over, with every single niche free, so animals diversified and filled in pretty much all of the niches. The fossil records give us clues when this happened, as from only microorganisms there is a sharp rise in complex animals, coinciding with the increase of oxygen levels.
If it wasn't for the increase of atmospheric oxygen though this wouldn't have been possible. The oxygen in the atmosphere enabled animals to breathe on land. Also, it cooled off the global temperatures which were too high before the increase of atmospheric oxygen, making them suitable for life. And last but not least, the atmospheric oxygen resulted in the formation of the ozone layer, a layer that started to act as protection from the UV rays.
Answer:fossil record
Explanation:
red pigment
infection
tissue damage