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bija089 [108]
3 years ago
5

What has one-way valves just like the valves of the heart

Health
1 answer:
Nady [450]3 years ago
6 0

Answer:

respitory system

Explanation:

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Employers must guard employees from three types of hazards. These include a floor ______ that is large enough for a person to fa
GuDViN [60]

Correct answer choice is :


<h2>A) Opening, deep</h2><h2 /><h3>Explanation:</h3><h3 />

Employers shall implement and establish all fall security systems needed by this subpart for an employee, and shall comply with all other relevant demands of this subpart before that employee starts the work that requires the fallen security. When guardrail systems are used around holes used for the way of materials, the hole shall have not more than two sides rendered with movable guardrail sections to enable the way of materials.

5 0
3 years ago
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Which common hallucinogen may cause bad trips called flashbacks years later, even after the use of the drug have been stopped?
Mrac [35]

Answer:

LSD

Explanation:

Althogh frequent some research suggests that the negative long term side effects of lsd use occur at a higher rate when someome has a bad trip. a bad trip happens when a person has a very negative experience on LSD.

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Whats a type of gland in the endocrine system?
dybincka [34]
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4 years ago
describe the two types of carbohydrates important to proper nutrition and name two foods where they can be found for each
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Carbohydrates are one of the four classes of organic molecules in living organisms. There are two types of carbohydrates namely the simple and complex. Simple which is also called simple sugar is found in white sugar and in fruits and milk. On the other hand, complex also called starches are in grain products. Examples of it would be bread, rice and pasta.
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