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amid [387]
3 years ago
14

Select the word that fits in the two blanks below: This is made up of two systems; a central ________ system and a peripheral __

_________ system.
Chemistry
1 answer:
Thepotemich [5.8K]3 years ago
3 0

Answer:

Nervous; nervous.

Explanation:

A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.

Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes.

Generally, the nervous system found in living organisms such as humans, comprises of two (2) major components or systems; a central nervous system (CNS) and a peripheral nervous system (PNS).

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05. When a gold pebble is placed in a graduated cylinder that contains 12.0 mL of water, the water level rises
OLga [1]

Answer:

142.82 g

Explanation:

The following data were obtained from the question:

Volume of water = 12 mL

Volume of water + gold = 19.4 mL

Density of gol= 19.3 g/cm³

Mass of gold =.?

Next, we shall determine the volume of the gold. This can be obtained as follow:

Volume of water = 12 mL

Volume of water + gold = 19.4 mL

Volume of gold =.?

Volume of gold = (Volume of water + gold) – (Volume of water)

Volume of gold = 19.4 – 12

Volume of gold = 7.4 mL

Finally, we shall determine the mass of the gold as follow:

Note: 1 mL is equivalent to 1 cm³

Volume of gold = 7.4 mL

Density of gol= 19.3 g/cm³ = 19.3 g/mL

Mass of gold =?

Density = mass /volume

19.3 = mass of gold /7.4

Cross multiply

Mass of gold = 19.3 × 7.4

Mass of gold = 142.82 g

Therefore, the mass of the gold pebble is 142.82 g

6 0
4 years ago
An unknown substance has been shown to have weak covalent bonds.
Anton [14]

Answer:

Low melting point.

Explanation:

We cannot link the pH of a substance from it bonds directly.

Ionic compounds have strong ionic bonds but we cannot say that they will have high or low pH.

High conductivity is a feature of ionic compounds generally (also metals)

low melting point means the bonds are weak so they can be weak covalent bonds.

Low flammability is not related to bonding.

6 0
3 years ago
What makes a skateboard move down the street
stira [4]

Answer:

the wheels and force of your foot pushing off of the ground.

6 0
3 years ago
which of these energy resources can produce the most amount of energy from the smallest amount of fuel? choices coal, uranium, p
nikitadnepr [17]
<span>The answer should be Uranium. As tiny amounts of that (rods normally) can fuel a whole nuclear energy station for years.</span>
6 0
3 years ago
Read 2 more answers
Please can I have help on question e as I’m really stuck.I promise I’ll give out brainiest
Natasha_Volkova [10]

The relative atomic mass of element A : 6.075 u

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

Mass atom X = mass isotope 1 . % + mass isotope 2.% ...

Element A

mass number of isotope 1 = 6 , percent : 92.5%

mass number of isotope 2 = 7, percent : 7.5

Relative atomic mass of element A

\tt = 92.5\%\times 6+7.5\%\times 7\\\\=5.55+0.525=6.075~u

5 0
3 years ago
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