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Leni [432]
4 years ago
11

Pls help...

Biology
1 answer:
ruslelena [56]4 years ago
8 0

Answer:

16.Difference between a Bar Magnet and a Solenoid

The bar magnet is a permanent magnet whereas a solenoid is an electromagnet ie, it acts like a magnet only when an electric current is passed through. ... The poles of the bar magnet are fixed whereas for a solenoid the poles can be altered.

17.When you press a doorbell button, you complete an electrical circuit that allows household electricity to flow through the doorbell's internal electromagnet. The magnetic field generated by the electromagnet is then used to power a mechanism that creates the doorbell sound. Doorbells are low-voltage devices.

Explanation:

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Which of the following events is NOT typically included in fitness evaluations?
melisa1 [442]

Answer:

B. shot put.

Explanation:

The evaluation of fitness could be figured out with the health related level, parts like flexibility, the strength of muscular, capability of aerobic exercise, etc. In order to remains fit for a daily life maintains the stress level so that the work could be done in easy manner without taking any stress or fatigue

For evaluating the fitness, the push-ups, running, and the standing long jump is involved but the shot put is not involved

Therefore the option B is correct

7 0
3 years ago
Read 2 more answers
if threads are layered from top to bottom brown green red which layer will come into Focus first if you are using the microscope
fomenos
<h2>Answer with Explanation </h2>

If threads are layered from top to bottom brown green red. Green layer will come into focus first if you are using the microscope properly. Green colour has wavelength of 500-565 nm and frequency of 530-606 THz approximately. Due its properties it will come into focus first if you are using the microscope. If anything is covered by brown, red and green, it will appear only green color first by microscope due to its specific characteristics. The visibility of colors depend on the properties which it has.


8 0
3 years ago
Read 2 more answers
What is the purpose of pcr in microsatellite genotyping?.
Dafna1 [17]

Answer:

Below:

Explanation:

PCR was used for the amplification of the microsatellite. This technique can increase the rate of mutations in the genome by errors during amplification that is known as PCR noise [19].

Hope it helps...

It's LoyalGirl... 。◕ ‿ ◕。

7 0
3 years ago
Two planets are orbiting a star. Planet A is closer to the star than Planet B. Which description explains the expected motion of
Hatshy [7]
I am pretty sure that planet A will move faster and i know it will have a smaller orbit then planet B
7 0
3 years ago
5.
blsea [12.9K]

Answer:

(I)

Explanation:

i. food web is a complex feeding structure, involving many food chain.

ii. a biological community of interacting organisms and their physical environment.

Two components are: Biotic(living things)and Abiotic(non-living things)

7 0
3 years ago
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