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Dovator [93]
3 years ago
12

How can a hypothesis help scientists understand the natural world

Biology
1 answer:
AlladinOne [14]3 years ago
5 0
A hypothesis is an observation made by a scientist that can be tested over to be proven true or false
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You stumble upon an unidentified arthropod with no antennae and eight legs. this organism is likely closely related to _____.
lakkis [162]
Ticks .
Characters : 2 Body segments , 8 legs and No Antenna .
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3 years ago
Explain one way that HYDROGEN GAS is commercially produced
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Explanation:

There are a number of ways to produce hydrogen: Natural Gas Reforming/Gasification: Synthesis gas, a mixture of hydrogen, carbon monoxide, and a small amount of carbon dioxide, is created by reacting natural gas with high-temperature steam. The carbon monoxide is reacted with water to produce additional hydrogen.

As of 2020, the majority of hydrogen (∼95%) is produced from fossil fuels by steam reforming of natural gas, partial oxidation of methane, and coal gasification. Other methods of hydrogen production include biomass gasification and electrolysis of water.

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Raquel tends to get extremely upset if she does not get her way, and she feels that it is a reflection of how much of a failure
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Group activities, designed to educate her to work with others to achieve non-competative goals, to enable her to understand the ways in which we can work together to achieve positive mutually beneficial outcomes.
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3 years ago
After performing a gram stain of a mixed culture of gram positive and gram negative cells, you shout: "oops, i forgot the iodine
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Gram's staining is a differential staining technique that employs a primary stain like crystal violet and a counter stain like safranin along with the decolourizing agent alcohol and a mordant called the Gram's iodine.

Iodine is a mordant added after the primary stain. It fixes the stain by combining with it to enchance the staining ability. This forms an insoluble crystal violet iodine complex appearing purple under the microscope. These microorganisms are classified as Gram positive.

If addition of iodine is skipped, crystal violet is not fixed on the slide and the insoluble complex is not formed. The cells are decolourized by alcohol and are stained by the counter stain safranin making the Gram positive cells wrongly indentified as Gram negative due to its pink colouration. Thus, the slide will show all the cells as pink coloured Gram negative cells.

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3 years ago
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