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]
2 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]2 years ago
5 0
E. Carbon, Oxygen, Nitrogen, & Calcium.
You might be interested in
A 6-column table with 2 rows. The first column labeled number of washers has entries 1, 2. The second column labeled initial vel
Zielflug [23.3K]

Answer:

A) The acceleration due to gravity for any object, including 1 washer on the string, is always assumed to be  10  m/s2.

B) The mass of 3 washers, when converted to kg, is  0.0147  kg.

C) The applied force of 3 washers will increase the applied force on the car to 0.147 N.

Hope i helped. also can i get brainliest

8 0
3 years ago
Read 2 more answers
Help PLEASE HELP PLEASE
Gennadij [26K]

Answer:

b. k+

Explanation:

4 0
3 years ago
Water is formed when two hydrogen atoms bond to an oxygen atom. The hydrogen and the oxygen in this example are different A) com
Nata [24]
Hydrogen and oxygen are elements.
8 0
3 years ago
Which of the following chemical formulas contains the most molecules?
maw [93]
C. 2Fe2O3 would be the correct answer!
4 0
3 years ago
How many glucose molecules can be produced per second in a plant
Masja [62]
Since glycolysis of one glucose molecule generates two acetyl CoA molecules, the reactions in the glycolytic pathway and citric acid cycle produce six CO2 molecules, 10 NADH molecules, and two FADH2 molecules per glucose molecule
3 0
3 years ago
Other questions:
  • How do you think the invention of the microscope influenced the cell theory?
    13·1 answer
  • What are 2 mixtures and explain your answer
    6·1 answer
  • How many electrons are transferred during the formation of one molecule of al2o3?
    8·1 answer
  • Which chemical is a reactant in the reaction shown?<br> A. HCI<br> B. CO₂<br> C. H₂O<br> D. NaCI
    10·2 answers
  • What is the definition of a "saturated solution"?
    12·1 answer
  • Basalt with half live of 10 million years and 1/8 is remaining, how old is rock?
    11·1 answer
  • Name the salt produced if sodium carbonate reacts with dilute nitric acid ? Write the equation.
    15·1 answer
  • 1. Do you think water molecules speed up or slow down<br> when they are heated? *
    8·1 answer
  • Which of the following is the correct rank order of the diffusion rates of either Cl2 or H2S through air at a pressure of 1.0 at
    13·1 answer
  • 76.5 scientific notation
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!