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Ket [755]
3 years ago
11

How do astronomers think the sun may have begun?

Biology
1 answer:
borishaifa [10]3 years ago
8 0
They tried to connect the idea of stars with the sun
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What is the name given to any object or change in the environment that affects the external or internal state of an organism?
Margarita [4]
The answer to this question is : A stimulus 
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3 years ago
How would your life change if you stopped using plastic? Use your brain and imagine.
Lemur [1.5K]

Answer:

Explanation:

It would be less trash and pollution and i would have less trash and i would have to wash dishes every day

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2 years ago
One g of fecal matter was suspended in 99 ml saline solution (tube 1). After mixing gently but thoroughly, one ml from tube 1 wa
malfutka [58]

Answer: the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

Explanation:

We know that; Gram negative bacteria looks  pale reddish in color under a light microscope from Gram staining.

therefore

There are 30 red bacterial colonies counted.

1 mL of from tube 1 was removed and added to tube with 99 mL saline (tube 2) dilution is 1/100.

transferred volume  into the plate is 1 mL.

Now, we have to determine the cfu/g Gram-negative bacteria in the fecal sample

Formula to calculate CFU/g bacteria in fecal sample is expressed as;

C = n/(s×d )

where C is concentration (CFU/g) , n is number of colonies , s is volume transferred to plate , d is dilution factor.

so we substitute

C = 30 / ((1/100) × 1)

C = 30 / 0.01

C = 3000

C = 3.0 × 10^3

THERFERE, the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

3 0
3 years ago
make a claim about how related tuna, turtles, and chimpanzees are to humans. use evidence to support the claim and explain your
Svetach [21]

Answer:

Animals that form part of the tree of life

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The tree of life is a diagram used in evolutionary biology to organize life into categories and to classify different species. In this case, tuna, turtles, and chimpanzees and humans are species that can be grouped in the animal category, within the vertebrates group (chordate phylum), being it the most inclusive level at which all these species belong.

8 0
2 years ago
How will the university prepare you to become professional in your chosen field of specialization​
BlackZzzverrR [31]

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too fast give you freedom you know as an adult so they they can test your sensitivity as an adult then they really see if you really need your field

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