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Ira Lisetskai [31]
4 years ago
15

How is penicillin used?

Physics
2 answers:
erik [133]4 years ago
7 0

Answer:

the answer is d

Explanation:

They attack the disease process by destroying the structure of the bacteria or their ability to divide or reproduce. Scientists often categorize antibacterials in the following way: Some antibacterials (eg, penicillin, cephalosporin) kill bacteria outright and are called bactericidal.

Olin [163]4 years ago
5 0

Answer:

D) to kill bacteria that cause disease

Explanation:

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Can I have some help
earnstyle [38]
I think is D cuz all Yoou really need to do is look at the graph
4 0
3 years ago
We observe a glowing cloud of gas in space with a spectroscope. We note that many of the familiar lines of hydrogen that we know
konstantin123 [22]

Answer:

No information can be concluded from this observation alone the cloud is much cooler than hydrogen on Earth

4 0
3 years ago
A tank is shaped like an upside-down square pyramid, with a base with sides that are 4 meters in length and a height of 12 meter
xeze [42]
Hello!

I included a link that might help you in terms of how the problem is broken down.

https://www.slader.com/discussion/question/a-tank-is-shaped-like-an-upside-down-square-pyramid-with-base-of-4m-by-4m-and-a-height-of-12m-how-fa/

However, the answer is:

The height increases at 3/2 m/sec
4 0
4 years ago
Place the single weight with a known mass on the spring and release it. Eventually, the weight will come to rest at an equilibri
aliya0001 [1]

Answer:

X=m*g/K

Explanation:

Since the elastic force of the spring is balancing the force of gravity:

Fe = m*g

Now, on the spring by Hook's law, the magnitude of the elastic force will be:

Fe = K*X     where K is the elastic constant of the spring and X is the distance the spring is strectches measured from its original lenght to its current length.

Replacing this value:

K*X = m*g   Solving for X:

X = m*g/K    This value is directly proportional to the object's weight and inversely proportional to the spring's constant.

3 0
4 years ago
You drive a car for 2.0 h at 60 km/h, then for another 3.0 h at 85 km/h. What is your average velocity
Anon25 [30]

Answer:

Explanation:

Average velocity is found in the total displacement experienced in the trip divided by the total time it took to make this trip. If, for the first 2.0 hours, the car travels at 60 km/hr, then in 2.0 hours the car can travel 120 km; if it then travels for 3.0 at 85 km/hr, it can travel 255 km in the same direction. The total time this took was 5.0 hours. So doing the math and rounding correctly by following the rules for the adding and subtracting of sig fig's:

v=\frac{120+255}{5.0}=\frac{380}{5.0}=76\frac{km}{hr}

If you do not round when you add, the average velocity is 75 km/hr

8 0
3 years ago
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