BIOLOGY HIGH SCHOOL

Explain how the sun produces energy which is transferred to the earth by radiation

Answers

Answer 1
Answer: Nuclear fusion happen on the sun by colliding particles that release energy as they become a new particle. The energy that it create (thermal and electromagnetic) are radiated to the earth.

Related Questions

To measure the transparency of the water and estimate algae growth, the EPA scientists used a ___________
What is ethology? A) the study of animal behavior B) the study of animal taxonomy C) the study of animal physiology
5. Which of the following sequences is an example of a point mutation of the DNA sequence -A-A-G-T-G-C-? -A-A-A-T-G-C- -A-A-G-U-G-C -G-T-A-G-A-A-C- -A-A-G-G-T-C-
Which of the following is a drawback to superconductors?-They perform well only at very low temperatures. -They are made from extremely expensive materials. -They have very few uses. -They are dangerous to use.
Which represents a deletion of a section of the DNA shown here?A—C—T—G—G—A—T A.A—T—C—T—G—G—A—T B.A—C—T—C—G—A—T C.A—C—T—A—T D.A—C—T—C—C—T—T

Are there Centrioles in Nerve cells?

Answers

There are no centrioles in nerve cells.
The answer to your question is no

Which best supports the idea that the surface of the moon has changed very little?

Answers



There are dark regions with numerous craters called impact craters and they cover one-third of the moon. The remainder of the moon is covered by lighter regions which have many ridges and grooves . The ridges are as high as 2000ft and stretch for thousands of miles.

In Biosafety Level 2 labs, workers must have specific training in handling pathogenic agents and be supervised by scientists competent in handling these agents. A. True
B. False

Answers

Answer:

True

Explanation:

There are four biosafety levels according made to the pathogenicity of the organism. BSL-1 is used for those microbes which do not cause diseases in normal healthy person. BSL-2 is applicable for those microbes which posses moderate risk for humans and against whom therapeutic intervention is normally present in the market.

The worker who uses BSL-2 labs must be trained specifically for handling pathogenic microbes and they should be supervised by competent scientists so that any accident can be avoided. Therefore the statement is true.

Which of the following is not a possible environmental consequence of urban sprawl? a. deforestation b. pollution c. loss of natural resources. d. none of the above

Answers

The answer is d. None of the above
Urban sprawl is the expansion of human population from urban areas (large cities) into less-populated area (such as suburbs)Since there are a lot of human activity increased after the urban sprawl, all of the consequences above are highly possible.

Deforestation, pollution and loss of natural resources all are possible due to human involvement in devastating the environment i.e. urban sprawl. Thus, correct answer is option D.

Further Explanation:

Urban sprawl is another word used for urbanization. This refers to the migration of the population from the populated towns as well as cities to the reduced density of residential development. This shift generally leads to reduction of natural resources and supplies. The final result is the spreading of a city over more and more rural land. This refers to the expansion of poorly planned and low-density development. This spreads over large amounts of land and puts long distances between storage home and work, and thus, creates high segregation between commercial and residential uses having harmful impacts on the individuals living in such regions. The wildlife and ecosystems are displaced.

Some argue that this has its benefits like making local economic growth. However, it has many uninvited consequences for the environment as well as residents like higher water and air pollution, elevated jams and fatalities in traffic, and loss of agricultural capacity. There is also an increased car dependency.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Human intervention and environment

Keywords:

Negative consequences, urban sprawl, car dependency, traffic jams, fatalities, pollution

The water on the Earth today has been sustaining life for millions of years.a. True
b. False

Answers

The oldest rocks preserved in the planet contain the earliest evidence of life on Earth. Earth is said to be about 4.5 billion years old however the first signs of life on Earth was only about 3.5 billion years ago. Therefore, water on Earth was able to sustain life that long. The answer is A. True.
The answer is true, water on the earth has been sustaining life for millions of years. Early life had to develop in water because the protective ozone layer had did not exist and so there was no protection from the sun's harmful ultraviolet rays. The first life forms on earth were single celled organisms.

Strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. This type of vegetative reproduction is known as A) pollination. B) fragmentation. C) binary fission. D) vegetative propogation.

Answers

The runners of strawberry plants are also called as the stolons. The strawberry plant vegetatively PROPAGATES with the help of these runners, and the base of the plant lies above the soil-surface, from which the stolons grow. Stolons are horizontal connection between the plants.

The answer is D.) Vegetative propogation.
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