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4 years ago

What term describes the competitive buildup of weapons systems?

1 answer:

8 0

The answer is arms race. An example is the cold war era nuclear arms race between the United States and the Soviet Union. Today's superpowers such as China, Russia and United States are also engaged in an arms race for the most technologically advanced weaponry.

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Which of these characteristics apply to viruses? Select all that apply.

Olegator [25]

The characteristics that apply to viruses are;

Viruses are made of RNA or DNA.
Viruses have a protein coat

<h3>What are viruses?</h3>

Viruses are microscopic non-cellular structure consisting of a core of DNA or RNA (nucleic acid) surrounded by a protein coat (capsid).

A virus is considered as by non-living because it requires a living host cell to replicate, and often causes disease in the host organism.

Therefore, the characteristics that apply to viruses are;

Viruses are made of RNA or DNA.
Viruses have a protein coat

Learn more about virus at: brainly.com/question/1427968

SPJ1

7 0

2 years ago

What is the US Census Bureau requirement for a place to be classified as urban?

Sergeu [11.5K]

Answer:

at least 1,000 people per square mile

Explanation:

I took the test it was correct. ( i know thats not an explanation im sorry but its correct).

3 0

2 years ago

What is chlorophyll and where is it located? in a short answer pls

Anuta_ua [19.1K]

Answer:

a green pigment, present in all green plants

Explanation:

3 0

3 years ago

Read 2 more answers

In order for blood to always flow unidirectionally through a closed circulatory system, the ________. A. blood vessels farthest

REY [17]

The blood vessels farthest from the heart must have valves.

The valves which are present in the blood vessels prevent the backflow of the blood back into the specific organ.

There are different valves present in the heart are:

The tricuspid valve is situated between the right atrium and right ventricle.
The pulmonary valve is between the right ventricle and the pulmonary artery.
The mitral valve is between the left atrium and left ventricle.
The aortic valve is between the left ventricle and the aorta.

Other vales which are present in the blood vessels are in leg. Leg veins do require the valves. If not present the blood will go back down into the feet because of the gravity. Thus there are various valves present in the leg veins.

Valves in veins are bicuspid, meaning they have two flap-like structures that regulate blood flow in the vein.

To know more about the Valves, refer to this link:

brainly.com/question/12926213

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2 years ago

A species of eels that lives in the ocean can move up rivers to spawn. A freshwater pike is unable to move into the ocean from a

Alex17521 [72]

Answer:

Eels are a long, thin slimy fish that have a fin that runs the entire lengths of the backs of their bodies, extends around the tail and run for a distance on the underside of the fish. They have a wide and strong mouth. The pike has a long, slender body that is olive green in color and fades to yellowish-white on its belly. The reason for this is because they have diffrent bodies and a eel is small while pikes are big and have more weight.

Explanation:

Hope this helps. Mark me brainlist plzzzzz

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3 years ago