<span>Scientists record the size and number of impact craters and how eroded they are to determine the ages and histories of different planetary surfaces.Older surfaces have been exposed to impacting bodies (meteoroids, asteroids, and comets) for a longer period of time than younger surfaces. Therefore, older surfaces have more impact craters. </span>
Answer:
The group of people occupied a high rank in ancient Sumerian society just below kings are "Mesopotamia ".
Answer:
Correct answer is The Yellow River.
Explanation:
The Irrawaddy River is not correct as this river flows through Burma.
The Amazon River is not correct as this river flows through South America.
The Mississippi River is not correct as this river flows through United States.
The Yellow River is correct answer is correct answer as it refers to Huang He, one of the largest rivers in China. This is correct because Sino-Japanese culture is covering the area of China and Japan.
Answer:
Old age and hundreds of thousands of stars, only about 30 ly wide
Explanation:
A globular cluster is a collection of stars which are bound by a very strong force known as gravity (gravity is the force of attraction between two bodies). The gravity then causes globular clusters to have a spherical shape with a high number of stars closer to the center (where the gravity is strongest).
These stars are usually very old and the diameter of the clusters are usually only 30 lightyears wide because of the strong gravity.
One way for each farm to change its farming practices to avoid polluting the river with nitrates is through reducing the use of artificial fertilizers by using biofertilizers.
<h3 /><h3>What are biofertilizers?</h3>
They are organic fertilizers from materials easily found within a farm, such as manure compost, mineral salts and animal waste, which help to protect the soil, being a replenisher of soil organic matter and an advocate of agriculture.
Its benefits are directly linked to sustainability, since, unlike artificial fertilizers, biofertilizers do not contain nitrites, which are capable of generating pollution and ecological imbalance in rivers.
Therefore, biofertilizers are a relevant option for promoting sustainability, and such information should be more widespread in agribusiness, to promote practices that help to promote environmental responsibility and maintain the quality of life of current and future generations.
Find out more about biofertilizers here:
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