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
Kobotan [32]
3 years ago
15

About 20-25% of the 92 natural elements are known to be essential to life. which four of these elements make up approximately 96

% of living matter?
a.carbon, sodium, hydrogen, nitrogen
b.carbon, oxygen, phosphorus, hydrogen
c.oxygen, hydrogen, calcium, nitrogen
d.carbon, hydrogen, nitrogen, oxygen
e.carbon, oxygen, nitrogen, calcium
Chemistry
1 answer:
Gnom [1K]3 years ago
5 0
E. Carbon, Oxygen, Nitrogen, & Calcium.
You might be interested in
According to Le Chatelier’s principle, what happens when the concentration of reactants is doubled in a chemical reaction that w
siniylev [52]

According to Le Chatelier’s principle, if the dynamic equilibrium of a system is disturbed by any change in the conditions of the system then the equilibrium will adjust itself in such a way that new equilibrium moves to counteract the change.

Hence, when the concentration of reactants is doubled in a chemical reaction that was in equilibrium then the equilibrium shifts to the right to favor the formation of products.


8 0
3 years ago
Read 2 more answers
Jen makes a Venn diagram to compare active transport and passive transport.
Oksanka [162]

Answer:

moves molecules

Explanation:

I did this one yesterday! Active transport moves low to high concentration and passive does the opposite so C and D are not an option. Active transport requires energy and Passive Transport does not so it has to be A.!

6 0
3 years ago
Read 2 more answers
Explain how mountain chains provide evidence to support the theory of continental drift.
amm1812
Mountain chains are formed by the action of different tectonic plates drifting
5 0
3 years ago
Sodium oxide contains Na+ ions and O2- ions.<br> Give the formula of sodium oxide
mixer [17]
To be honest, I learned this in school so I'll tell you XD

The formula of sodium oxide is Na2O
8 0
3 years ago
True or False. Isotopes have different chemical properties. Explain why?
Maurinko [17]

Answer:

False

Explanation: isotopes generally have the same physical and chemical properties because they have the same numbers of protons and electrons.

4 0
3 years ago
Other questions:
  • What is the energy of a photon that has a frequency of 0.5 Hz?
    8·1 answer
  • Which statement describes the transfer of heat energy that occurs when an ice cube is added to an insulated container with 100 m
    7·1 answer
  • A single population is made up of?
    13·1 answer
  • What will be the amount of sugar in milligrams if the size of the milk chocolate bar is reduced from 14.630 g to 3.000 g ?
    8·1 answer
  • A gas occupies a volume of 2.67 Times 10 to the square root of two mL at 542.48 mm Hg pressure. What will be its volume at const
    10·1 answer
  • Calculate the density of a rectangular solid which has a mass of 25.71g. It is 2.30cm long, 4.01 cm wide and 1.82 cm high.
    13·2 answers
  • The reaction between hydrogen gas and chlorine gas produces hydrogen chloride according to the following equation: H2(g) + Cl2(g
    9·1 answer
  • What is benzene and alcohol
    15·2 answers
  • Calculate the mass of a
    7·1 answer
  • What are remained on the cloth? explain your answer.<br>​
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!