Answer:
Quartz is not pure in this rock.
Explanation:
When quartz shows effervescence in contact with an acid, it means that it is not in its pure state, but rather related to other substances that may be cementing the quartz. This effectiveness is caused by substances that do not react like quartz, such as calcite.
In this case, we can conclude that in relation to the calcium-rich rock shown in the question above, the calcium is not pure, but it is likely to be related to calcite, or other material that does not react to acid.
Answer:
First it is important to clarify that your question is incomplete, I do not see the graph you are talking about ..
Although faced with the situation, I took the trouble to investigate in medical pages on this subject, and I conclude that the hypothesis of the doctors is correct ...
Because greater global warming, lower partial pressures of oxygen in the atmosphere (therefore those people who had difficulty breathing will be more affected), greater pollutants in the environment (greater hypersensitivity reactions in allergy sufferers), and the seasons of Heat spread, therefore the pollination processes also and it is there where there is connection with allergies due to ragweed.
Explanation:
Allergies are increased immunological reactions against an antigen, so I added to your question that ambrosia pollen generates more allergies in the respiratory tract than at the cutaneous level, that is why it cooperates with other alterations that environmental contamination generates.
The greater the contamination, the greater the presence of allergies or the longer the allergies will be.
Answer:
(b) the night would be half as long
Explanation:
- As the earth, if rotated twice as fast than it does now and the sun stayed the same then the night would be as half as long as the rotation of the planet on its axis would be double to that of its and 12 hours of night would be as long as the speed of the axial rotation.
Answer:
Grinding Glass Is your answer!
Explanation:
<span>The political instability of France during the Revolution allowed Napoleon to take advantage of the people's need and want for reform. throw in his military successes against Austria and the Kingdom of Naples along with his major triumphs in Egypt, and he was able to win them over to proclaim him 'first consul for life'. Read 'young bloods' and 'the generals' by Simon Scarrow. Both very good reads (he's bringing out two more but they're not written yet.</span>
