1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
S_A_V [24]
2 years ago
10

.The ___________ is the muscular organ that pumps blood through the circulatory system by rhythmic contractions and relaxation.

Chemistry
1 answer:
emmasim [6.3K]2 years ago
6 0
I think it’s the heart lol. Hope this helps
You might be interested in
How many kilojoules of heat
Luba_88 [7]

Answer:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

Explanation:Noble gases:

 are highly reactive.

 react only with other gases.

 do not appear in the periodic table.

 are not very reactive with other elements.

6 0
2 years ago
I NEED HELP!!! How is continental crust different from oceanic crust?
tensa zangetsu [6.8K]

Answer:

A

Explanation:

Oceanic crust is thinner and more likely to sink

8 0
3 years ago
What can be explained by the Arrhenius theory?
vekshin1
Arrhenius theory is a theory about acids and bases. It says that acids are those substances that produces hydrogen ions (H+) when in solution and bases are the substances that dissiociates and produces hydroxide ions (OH-). It was introduced by Svante Arrhenius.
8 0
3 years ago
What compound is formed when 2,2-dimethyloxirane (2-methyl-1,2-epoxypropane) is treated with ethanol containing sulfuric acid
vladimir1956 [14]

Answer:

2-ethoxy-2-methylpropan-1-ol

Explanation:

On this reaction, we have an "<u>epoxide"</u> (2-methyl-1,2-epoxypropane). Additionally, we have <u>acid medium</u> (due to the sulfuric acid H_2SO_4). The acid medium will produce the <u>hydronium ion</u> (H^+). This ion would be attacked by the oxygen of the epoxide. Then a <u>carbocation</u> would be produced, in this case, the most stable carbocation is the <u>tertiary one</u>. Then an <u>ethanol</u> molecule acts as a nucleophile and will attack the carbocation. Finally, a <u>deprotonation </u>step takes place to produce <u>2-ethoxy-2-methylpropan-1-ol</u>.

See figure 1

I hope it helps!

3 0
3 years ago
What is a joule?
Roman55 [17]

A joule is defined as the amount of energy transferred to an object when a force of one newton acts on the object in the direction of its motion through a distance of one meter (1 newton meter or Nm)

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the energy of a single photon of blue light with a wavelength of 488 nm (488 × 10-9 m)?
    9·2 answers
  • Is a eagle a producer?
    14·1 answer
  • Independent, dependent, and controlled variable?
    11·1 answer
  • The following equation shows the equilibrium in an aqueous solution of ammonia: NH3(aq)+H2O(l)⇌NH4+(aq)+OH−(aq)NH3(aq)+H2O(l)⇌NH
    11·1 answer
  • The periodic table organizes elements according to INCREASING
    5·2 answers
  • Plzzzzzzzzzzzzzzzz help
    10·2 answers
  • What was the hiker's average velocity during part C of the hike?
    6·2 answers
  • HELPPPPPPPPPPPP
    10·2 answers
  • A student makes an aqueous solution of sodium hydroxide. Which statement correctly identifies the two ions present in the solute
    12·1 answer
  • Hey chemist tests new measures for paint samples and decides to one mixture stickiness makes it worthless. A scientist working i
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!