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defon
3 years ago
7

At approximately what age should a child be able to use each hand independently?

Biology
1 answer:
miv72 [106K]3 years ago
5 0
I think at Approximately 7 years the child should be able to use each hand independently. Hand control is the ability by a child to accurately use and manipulate objects, utensils, tools and even finger in isolation for functional tsak performance. 
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(word bank)
choli [55]

Answer:

Sulfur; nitrogen.

Explanation:

Acid precipitation results when sulfur and nitrogen compounds react with water in the atmosphere.

This acid precipitation is also known as acid rain and it is typically caused by the chemical reaction between sulfur oxide and nitrogen oxide which are released into the air as a result of burning fossil fuels, with water and other chemical elements present in the atmosphere.

Generally, acid precipitation (acid rain) usually have a pH of about 5.1 or below and as such, it is very acidic nature i.e possessing a large amount of hydrogen ions.

Hence, acid precipitation (acid rain) when washed to the earth has negative or harmful effects on various living and non-living organisms such as animals, plants, cars, buildings etc.

5 0
3 years ago
5.
Gwar [14]
Concentration gradient, size of the particle, and temperature are all factors
5 0
2 years ago
Explain the difference between an iconic compound and a covalent compound<br>​
Cerrena [4.2K]
A basic definition of an ionic compound is that they are molecules that consist of charged ions. These ions have opposite (both negative and positive) charges. On the other hand, covalent compounds are non-metals which are bound together, and consist of two electrons that are shared between two atoms.
6 0
3 years ago
Some types of organisms obtain needed energy through predation. Please select the best answer from the choices provided T F
Kipish [7]
Answer - True

Reasoning - The reason is without predation the animals will die since if they won't hunt they won't eat and die. Yes it's important to because it helps maintain the ecosystem. For example a Tiger is on top of the food chain so it's to gotta hunt. Just like down those line of chains.
6 0
3 years ago
Read 2 more answers
What is the minimum number of cycles necessary to replicate a fragment of DNA over 500 times? How did u determine this?
ryzh [129]

Answer:

The correct answer is "9 cycles".

Explanation:

The minimum number of cycles necessary to replicate a fragment of DNA over 500 times is 9 cycles. In Polymerase Chain Reaction (PCR) method, the fragments of DNA are doubled in each cycle. This means that after "n" cycles, the total number of fragments is given by the equation 2^n. In this case, after 9 cycles a total of 512 DNA fragments will be obtained, because 2^9 is equal to 512.

5 0
3 years ago
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