Answer:
pollutants such as sulfur can lead to excess levels of acid in lakes and streams, and damage trees and forest soils; atmospheric nitrogen can reduce the biodiversity of plant communities and harm fish and other aquatic life; ozone damages tree leaves and negatively affects scenic vistas in protected
Air pollution can damage crops and trees in a variety of ways. Ground-level ozone can lead to reductions in agricultural crop and commercial forest yields, reduced growth and survivability of tree seedlings, and increased plant susceptibility to disease, pests and other environmental stresses (such as harsh weather).
When water pollution causes an algal bloom in a lake or marine environment, the proliferation of newly introduced nutrients stimulates plant and algae growth, which in turn reduces oxygen levels in the water. ... Marine ecosystems are also threatened by marine debris, which can strangle, suffocate, and starve animals.
Noise pollution has a negative impact on wildlife species by reducing habitat quality, increasing stress levels, and masking other sounds. Chronic noise exposure is especially disruptive for species that rely on sound for communication or hunting (
1. Having a sickle cell anemia crisis is a severe condition of reduced red blood cell count.
2. Having sickled red blood cells lead to the symptoms like having pain in the chest and the throbbing of her leg.
3. A person having sickle cell anemia is mostly tired due to reduction in red blood cells, so they cannot do any work with their bodies. There would difference in the personal appearances like yellow eye and skin looks pale and the skeletal system become weak too. There is trouble with breath too.
4. The symptoms are as follows like the patient fall in to anemia condition, urine is dark in color, eyes are yellow, and person looks pale and the body experiences frequent pain and delay in the body growth.
5. Hydroxyurea is the medication used here. The pros of this are the frequent body pains reduces and reduction in need of blood transfusion. the cons are increase of infection and this particular drug may cause tumors and leukemia.
Explanation:
The classical cell theory was proposed by Theodor Schwann in 1839. There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells. The third part, which asserts that cells come from preexisting cells that have multiplied, was described by Rudolf Virchow in 1858, when he stated omnis cellula e cellula (all cells come from cells).
Since the formation of classical cell theory, technology has improved, allowing for more detailed observations that have led to new discoveries about cells. These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically; and finally, that energy flow occurs within cells.
The answer you are looking for would be Chlorophyll or answer choice número dos! :3 I hope that this helps! :P
Answer:
C.) Covalent
Explanation:
Oxygen and carbon are both nonmetals.
A.) is incorrect because hydrogen bonds are only formed between hydrogen and either oxygen, nitrogen, or fluorine.
B.) is incorrect because ionic bonds form between nonmetals and metals. In this situation, you have two nonmetals.
C.) is correct because covalent bonds are formed between two nonmetals. A covalent bond will form because oxygen and carbon are nonmetals.
