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Montano1993 [528]
3 years ago
15

Which of the following is an example of using the scientific method with a natural experiment?AnswerA.Measuring how long it take

s a marble to fall from a ten story building.B.Comparing plant growth with and without a soil additive.C.Tracking the price of oil when a war in the Middle East interrupts the flow of crude oil.D.Observing the reaction when two chemicals are mixed together.
Biology
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

Answer is C. Tracking the price of oil when a war in the middle east interrupts the flow of crude oil.

Explanation:

Scientific method is a kind of carrying out research for identifying and subsequently solving a problem. it can also be explained as series of steps in using scientific investigations for answering issues about the nature.

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Describe the major fields of study that contribute to environmental science
IRISSAK [1]

Answer:

Environmental Sciences is a multidisciplinary academic field that integrates biological, physical and information sciences for the study of the environment and solutions to environmental problems. These sciences include physics, ecology, zoology, biology, chemistry, mineralogy, oceanography, geology, soil sciences, atmosphere sciences and geography. The environmental sciences emerged from the fields of natural history and medicine. Today, they allow an integrated, quantitative and interdisciplinary approach to the study of environmental systems.

Related areas of study include environmental studies and environmental engineering. Environmental studies integrate social sciences to understand human relations, perceptions and policies regarding the environment. Environmental engineering focuses on design and technology designed to improve the quality of the environment. Environmental problems almost always include the interaction of physical, chemical and biological processes. Environmental scientists work on topics such as understanding ground processes, assessing alternative energy systems, controlling and mitigating pollution, managing natural resources and the effects of global warming, applying systemic analyzes to environmental problems.

Environmental sciences became an active field of scientific research in the 1960s and 1970s, due to the need for a multidisciplinary approach to analyzing complex environmental problems, the emergence of various environmental laws requiring specific research protocols, and increasing public awareness. the need for action to solve environmental problems.

3 0
3 years ago
If a pea plant that is herterozygous for rounds, yellow peas is crossed with a pea plant that is homozygous for round peas but h
Keith_Richards [23]

Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.

Explanation-

As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.

According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).

The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.

When they are crossed, they will produce two different phenotypes in the offsprings.

Refer punnett square.


7 0
2 years ago
Identify the type of growth response that each plant demonstrates.
aleksley [76]

Answer:

The first plant demonstrate stunt growth. The second one demonstrate rapid growth

Explanation:

The first one lacks proper care and is not exposed to sunlight. The second one is the opposite of the first one

3 0
3 years ago
Which is a liquid fossil feul
Dovator [93]

Answer:

crude oil (petroleum) is the only natural liquid fossil fuel

7 0
3 years ago
Describe the effect of amanitin on the maximum elongation rate for the wild-type and modified RNA polymerases
Scrat [10]

Answer:

The effect of amanitin on the maximum elongation rate for the wild-type and modified RNA polymerases is that it binds to the RNA polymerases, and reduces the process of translocation which is essential for RNA synthesis that is required for RNA polymerases elongation.

Explanation:

Amanitin is a peptide that is cyclic in nature. It is repelled by water thereby making it an hydrophobic peptide.

Amanitin is a toxic peptide that is found in Amanita ( a type of mushroom).

Alpha Amanitin in particular is the one that affects the elongation rate of RNA Polymerases in the body.

When Alpha Amanitin gets into the body system, it travels straight to the liver and due to its very strong affinity for RNA polymerases, it immediately attaches itself to them.

After the attachment, Alpha Amanitin, is disturbs the bridge helix found in RNA polymerase, preventing the hindering and slowing down the proces of translocation from happening.

Once translocation is hindered, RNA is no longer synthesized. Hence, the elongation of RNA polymerases is hindered and this results in severe illness in the body such as liver failure, cytolysis of the liver

8 0
3 years ago
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