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Harlamova29_29 [7]
3 years ago
9

Match each organ with the correct organ system.

Chemistry
2 answers:
Makovka662 [10]3 years ago
8 0

Answer:

1. small intestine: digestive system

2. blood vessels: cardiovascular system

3. lungs: respiratory system

4. tricep: muscular system

5. spine: skeletal system

hammer [34]3 years ago
6 0

Answer:

1. small intestine: digestive system

2. blood vessels: cardiovascular system

3. lungs: respiratory system

4. tricep: muscular system

5. spine: skeletal system

Explanation:

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Texas ranks __________ among the states in the amount of hazardous waste generated, carbon dioxide emissions, and toxic chemical
Tcecarenko [31]
Texas racked the first spot in the ranking of states that is characterized as the state with the most amount of waste generated, carbon dioxide emissions, generally environmentally toxic wastes being emitted to the atmosphere. This is caused by numerous human activities as well as the chemical plants present in the state.
6 0
3 years ago
1.
german

Order of metals from least reactive to most reactive: B <C <A <D

<h3>Further explanation</h3>

Reducing agents are substances that experience oxidation  

Oxidizing agents are substances that experience reduction

The metal activity series is expressed in voltaic series  

<em>Li-K-Ba-Ca-Na-Mg-Al-Mn- (H2O) -Zn-Cr-Fe-Cd-Co-Ni-Sn-Pb- (H) -Cu-Hg-Ag-Pt-Au  </em>

The more to the left, the metal is more reactive (easily release electrons) and the stronger reducing agent  

The more to the right, the metal is less reactive (harder to release electrons) and the stronger oxidizing agent

So that the metal located on the left can push the metal on the right in the redox reaction  

Let's analyze the statement in the problem

I. Only A, C and D react with 1 mol/L HCl to give H₂(e)

M + HCl ⇒ MCl + H₂(MCl : alkali, MCl₂ : alkaline earth)

A, C and D can react with 1 mol / L HCl, meaning metals A, C and D are located to the left of element H (more reactive), and B in the right of element H

II. When A is added to solutions of the other metal ions, metallic B and C are  formed but not D.

This means that metal A is more reactive than metals B and C, while D is more reactive than A, so metal D is the most reactive

3 0
2 years ago
Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is MHz. [speed of light
Volgvan

Answer:

50 MHz

Explanation:

The relation between frequency and wavelength is shown below as:

c=frequency\times Wavelength

c is the speed of light having value 3\times 10^8\ m/s

Given, Wavelength = 6 m

Thus, Frequency is:

Frequency=\frac{c}{Wavelength}

Frequency=\frac{3\times 10^8}{6}\ Hz

Frequency=50\times 10^{6}\ Hz

Also,

Also, 1 Hz = 10^{-6} MHz

So,<u> Frequency = 50 MHz.</u>

8 0
3 years ago
What are all synthetic materials made from?
dolphi86 [110]

Answer:

Natural resources

Explanation:

4 0
2 years ago
I need help with this question...<br>​
ivanzaharov [21]
I’m guessing the answer is AX (the first one) sorry if I am wrong tho
5 0
3 years ago
Read 2 more answers
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