How did the use of groundwater change from preindustrial times to industrial times?a.
Groundwater use decreased from preindustrial times to industrial times.
b.
Groundwater use increased from preindustrial times to industrial times.
c.
Groundwater use remained virtually the same from preindustrial to industrial times.
d.
Groundwater was not used during preindustrial times.

Answers

Answer 1
Answer:

The correct option is B.

Ground water refers to those water sources that are found underneath the ground in rocks, sand and soils. The quantity of ground water that were utilized during the pre-industrial period is very small compare to the amount that is utilized during the industrial time. And this has led to a significant decrease in the amount of ground water available today. Other factors that had led to shortage in ground water include pollution and lack of precipitation.

Answer 2
Answer:

Due to the invention of drilling tools, groundwater use increased from preindustrial times to industrial times.

What is groundwater?

Ground water refers to water that is found underground in between layers of rocks.

In the preindustrial times, most water used was surface water. However, during the industrial times with the invention of equipments that could drill deep underground, the use of ground water increased.

Therefore, groundwater use increased from preindustrial times to industrial times.

Learn more about groundwater at: brainly.com/question/9617


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Compare the productivities of a swamp and a river, and give two reasons for the difference

Answers

A swamp is an area of a land that is permanently filled with water. It could be formed out from a former lake or pond overtaken by trees. It is also dominated by trees. Cypress and tupelo trees, bushes and shrubs grow in swamps and even tiny plants like the duckweed that almost covers the water surface.
A river is a large area where water flows to the ocean, the lake, etc. and its seawater consistently evaporates. Its source could be from a melting snow, a melting glacier, a lake with an out-flowing stream or a spring bubbling out of the ground.

Two reasons for the difference:
1. Swamps have many formed marine animals and insects while the river, you can only rarely find one (like fishes).
2. Rivers could be a source of water into houses, farms and even a drinking water for humans while swamps could not be a source for those.

How can natural selection affect a predator-prey relationship in an ecosystem?Choose all answers that are correct.

A.Natural selection can influence both predator and prey populations.

B.Nature selects for traits that allow for increased rates of reproduction and survival over traits that don't.

C.Natural selection determines which generations will be influenced by natural selection.

D.One population is not affected by the changes in another population.

Answers

A and B are the correct answers, C just sounds plain du mb and D just doesn't logic right, so A and B are most likely the correct answers, hope this helps

How does the structure of Tim O'Brien's story "Ambush" relate to its title? a. The narrator's present life cannot escape the bombardment of his wartime memories and actions.
b. The narrator's war experiences are in the distant past and no longer influence the present.
c. The narrator's platoon was surrounded by the enemy, similar to the way the narrator feels when he is surrounded by his family.
d. The narrator continues to write war stories, but he is unable to talk about his wartime experiences.
e. The narrator feels his daughter and the young enemy continually cause him to face his past.

Answers

The correct answer is option C, The narrator's platoon was surrounded by the enemy, similar to the way the narrator feels when he is surrounded by his family

Reason -

In the story by Tim O’Brien’s, It is clear that the narrator is puzzled at two instances and at these two instances the word "Ambush" relate to its title The two instances are given below:

a) The first instance is when the narrator’s daughter is asking him question about his war time memories. The narrator feels guilty when he lied to his daughter in order to be a hero in front of her but somewhere he was aware that he was lying.  

b) The second instance is when the narrator threw a bomb and killed a soldier of another nation. He is guilty about killing anyone during wartime.  

Answer:

A. The narrator's present life cannot escape the bombardment of his wartime memories and actions.

Two patients are being seen for pneumovax revaccination. the first patient is 66 years old, a known diabetic, and received the first dose of the vaccine at age 60. the second patient is 76 years old, has no known disorders, and received the first dose of the vaccine at age 70. the nurse recognizes that revaccination will be required for which patient(s)?

Answers

The correct answer is " Both the patients need re-vaccination"

As per the “Center for Disease Control and Prevention (CDC)” it is recommended that all adults of age 60 or above are at high risk of pneumococcal disease. As per their statistics every year thousands of adults die because of pneumococcal diseases.  

CDC recommends that two series of vaccines against pneumococcal diseases is sufficient to protect adults against this disease:

• PCV13 (pneumococcal conjugate vaccine)

• PPSV23 (pneumococcal polysaccharide vaccine)

As per CDC all adults with age 65 or above but since the first patient of 66 years of age is diabetic, he must also get re-vaccinated along with the second patient of age 76 years.

What did Darwin believe?Darwin believed that all organisms have a common ancestor.
Darwin believed that all organisms were created simultaneously by the force of nature.
Darwin believed that all organisms have descended from two different ancestors.

Answers

Answer:

Option B, Darwin believed that all organisms were created simultaneously by the force of nature.

Explanation:

Darwin strongly believed that all organisms have common ancestors.

--joeranja123ever

The main reason that the spores of disease-causing bacteria are dangerous is that they

Answers

The main reason that the spores of disease-causing bacteria are dangerous is that they are very difficult to destroy. If the bacteria is not suited in the condition state of the environmental, other kinds transform to an inactive state. They advance with a hard outer covering and look out for the suitable environmental conditions. This lie dormant bacterium is known as spores. Spores are more difficult to destroy than those bacteria that are active for they have a harder outer covering.