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icang [17]
3 years ago
8

Each element is abbreviated by one or two letter formula

Biology
1 answer:
ohaa [14]3 years ago
4 0
This is false. There are elements that have three letters, however they don't occur as often as those with one or two letter formulas.
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The distance versus time graph for Object A and Object B are shown.
Ksivusya [100]

Answer:

The correct answer is - Both move with constant speed.

Explanation:

If an object moves in a particular way that it covers the same distance at the same times the speed considered as constant suppose if two objects a and b both travel 10 m and 20 m respectively and the time they take in travel are 2 and 4 seconds respectively than we can say they both have a constant speed.

The relation between the variables x,t, and v is

x=v.t

If V is constant which is the speed we get a straight line x-t in the graph.

By the given information we can say that both objects A and B are traveling at a constant speed.

4 0
3 years ago
Which vitamin is synthesized by microbes in the intestine and helps to maintain bone health
ch4aika [34]
Hi there.

to maintain bone health, fiber is the only vitamin that is synthesized by microbes in the intestine. 

-have a great day :)
4 0
3 years ago
With respect to sensory changes in middle age, people commonly experience a(n) _______.
Alex787 [66]

The correct answer is A. Decline in vision

Explanation:

The term "middle age" is used to describe the time span between 45 and around 65 in human life. During this, important changes occur in terms of senses, this age usually implies a decline in senses including pain, taste, smell, and vision. In terms of vision, it is common during middle ages people began experiencing blurring vision or weakened vision as during this age conditions such as presbyopia, glaucoma, cataracts, among others. Additionally, the decline in vision in this age is commonly related to other conditions such as diabetes, the use of medicines and also jobs that are visually demanding. Thus, in middle age, people commonly experience a decline in vision.

6 0
3 years ago
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Why was the spread of agriculture an important vent in human history?
DaniilM [7]

It provided people with 1 of their most basic needs, a dependable supply of food

8 0
3 years ago
A city is concerned about global warming in smoke. It wants to reduce the impact of its use of fossil fuels. Explain how the cit
dolphi86 [110]

Answer:

a

Explanation:

i believe it's a but I'm not sure

3 0
3 years ago
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