Explanation

Answer:

A

The feature of the dynamo is to alternate mechanical strength into electricity. The managed equipment related to the dynamo regulates the modern output in step with the needs of the electrical device and the country of the battery.

Explanation

Answer:

C

The coil of the iron core is called an electromagnet. The iron core increases the magnetic field strength of the coil. Wrap a wire around an iron nail to make a simple electromagnet.

Explanation

Answer:

Plants look green in sunlight, so they should look black or gray in red light because they don't need to reflect green wavelengths to look green.

Explanation

Answer:

B

AIDS results from the disruption of the immune system caused by HIV infecting and destroying a special group of white blood cells called helpers for T4 cells. And with the collapse of the immune system, severe opportunistic infections. today, more than 1.2 million people are living with HIV in the U.S. and there are more than 35,000 new infections each year.

Explanation

Hyperglycemia due to diabetes can damage blood vessels, the heart, and the nerves that control blood vessels. Over time, this damage can lead to heart disease. People with diabetes are more likely to develop heart disease earlier than people without diabetes.

Explanation

Answer:

D

Meningitis is a clinical syndrome characterized by inflammation of the meninges i-e membranes

Explanation

Limestone (چونے کا پتھر) is a type of carbonate sedimentary rock. 

Explanation

Stage clips hold the slides in place. If your microscope has a mechanical stage, the slide is controlled by turning two knobs instead of having to move it manually.

Explanation

Peanut butter is a food paste or spread made from ground, dry-roasted peanuts.

Explanation

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