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polet [3.4K]
3 years ago
14

I need help for some of the question please,

Chemistry
2 answers:
LenKa [72]3 years ago
5 0

Answer:

Number 6

Explanation:

A reflex action is an involuntary action and nearly instantaneous movement in response to a stimulus.

Dovator [93]3 years ago
5 0

Answer:

2. Nerves helps to send impulses or information from one place to another and it also carries sensory and motor fibres and most however are mixed nerves carrying both sensory and motor fibres.

3.The brain has many functions and the brain has different regions that deals with different functions in the body.

6.Reflex actions are automatic responses to stimuli.They do not involve the conscious (voluntary) or higher centres of the brain and so are also known as involuntary actions.

10.Loop of Henle,Bowman's Capsule, Glomerulus, Proximal Capsule.

13.Urter is part of the reproductive organ in an human being.

14.We should drink enough water and we should not store our urine,we should always empty our bowels when we feel like using the toilet.

15.Water is good for urinary system because it help for easy digestion and for easy work in the system.

12.The urine is stored in the bladder.

11.Kidneys remove nitrogenous wastes and also control the amount of water,salts and acids - the osmoregulatory function.

5.Nerves that carries the sensory fibre and nerves that carries the motor fibre.

1. Brain and the spinal cord or the central nervous system and the peripheral nervous system.

4.They carry informations from one part of the body to another and they also help in the coordination of the body.....

I think some of the answers are correct...Thank you for the questions.....

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Divide the numbers in around the answer to the correct number of significant figures.
Zina [86]

Answer:

\large \boxed{19.0}

Explanation:

In multiplication and division problems, the answer can have no more significant figures than the number with the fewest significant figures.

A calculator gives the result:

\dfrac{163.8}{8.64} = \mathbf{18.95833333}

163.8    has four significant figures.

   8.64 has three significant figures.

You must round to three significant figures.

That is, you drop all the digits to the right of the 9 — the red line in Fig. 1 below. You are rounding to the nearest tenth.

To round a number to the nearest tenth, you look at the digit in the hundredths place (7). See Fig. 2.

If the digit to be dropped is greater than 5 or is 5 followed by at least one non-zero digit, you add 1 to the number in the tenths place (Fig. 3).

Here's how you do it.

  • The digit in the hundredths place is 5 followed by non-zero digits.
  • Add 1 to the digit in the tenths place (9).
  • ⁹/₁₀ + ⅒ = ¹⁰/₁₀ = 1 + ⁰/₁₀ = 1.0

The tenths digit becomes 0 and the ones digit increases from 8 to 9.

\text{The quotient of $\dfrac{163.8}{18.64}$ is $\large \boxed{\mathbf{19.0}}$}

7 0
3 years ago
2CuS + 3O2 = 2CuO + 2SO2
Nata [24]
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4 years ago
The density of gold is 19.3 g/cm³. What is the mass of 11.3 cm³ of gold?
telo118 [61]

Answer:

218.09g

Explanation:

the formula for density is mass/volume

you have volume so rlly what you have is 19.3g/cm3=m/11.3cm3

so mass equals density x volume

and 19.3 x 11.3 = 218.09

4 0
3 years ago
PLEASE HELP<br><br> (1.1232 x 10^5)(6.022 x 10^17).
omeli [17]
(1.1232 * 10⁵) (6.022 * 10¹⁷)

Now, multiply simple numbers together and exponentials, together:
= 1.1232 * 6.022 * 10⁵ * 10¹⁷
= 6.763 * 10²²

In short, Your Answer would be 6.763 * 10²²

Hope this helps!
6 0
4 years ago
(10 points ) please help this is major grade .
erastova [34]

Answer:

absorbed

Explanation:

because black absorbs the light around it

4 0
3 years ago
Read 2 more answers
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