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
aliya0001 [1]
2 years ago
5

Help please What percentage of the world does not have a reliable source for clean water?

Chemistry
1 answer:
disa [49]2 years ago
7 0

Answer:9%

Explanation:

You might be interested in
The total number of electrons in one mole of fluorine molecules (F2) is
galben [10]
Has 9 protons and 9 electrons in per atom.........
3 0
3 years ago
Read 2 more answers
What do these two changes have in common sauce burning on a stove and jewelry tarnishing
Andrews [41]

The changes that are common between sauce burning on a stove, and jewelry tarnishing, which is a chemical change.

How to define chemical and physical changes?

Chemical Change-

Any alteration that produces new chemical substances with distinct properties is considered a chemical change. Chemical reactions involve the rearrangement and recombination of elements and compounds to create new substances. Examples of chemical changes are listed below:

  • Burning
  • Digestion
  • chemicals changing colors
  • Tarnishing
  • compost rotting

Physical Change-

A substance is not destroyed or transformed into something new by physical changes. A substance can undergo physical changes that alter its shape, size, or phase. The constituents of an element or compound do not change during a physical change. Examples of physical changes are listed below:

  • Boiling water
  • Chopping, Cutting, Carving
  • Evaporation
  • Freezing, Melting, Condensation

To know more about chemical and physical changes, visit the given link:

brainly.com/question/20628019

#SPJ4

5 0
1 year ago
Determine if the data are qualitative or quantitative.
jonny [76]
Hi there!
Zinc: Is qualitative
Chlorine: is quantitative
Gallium: is neither
Nitrogen: is quantitative
Aluminum: is quantitative
If you need an explanation, please let me know !
Hope this helps and have a good day :) !
~Angel
8 0
3 years ago
Read 2 more answers
2)
Darya [45]
The answer is B. Continental Drift (Confidently)
7 0
3 years ago
Explain why magnesium and aluminium react in a similar way?
postnew [5]
Because magnesium loses its electrons easily than aluminum
3 0
3 years ago
Other questions:
  • The density of solid fe is 7.87 g/cm3. how many atoms are present per cubic centimeter of fe?
    7·2 answers
  • What is the meaning of weight?
    9·2 answers
  • What is the ground-state electronic configuration of a chlorine anion (cl—)?
    13·1 answer
  • Theobromine, C7H8N4O2, is a component of chocolate. It is mildly diuretic, is a mild stimulant, and relaxes the smooth muscles o
    15·1 answer
  • A piece of lead loses 78.0 J ofheat and experiences a decrease in temperature of 9.0C the specific heat of lead is .130J/gC what
    6·1 answer
  • Based on the data shown in the graph, what would be
    13·2 answers
  • the white powder is added to the clear liquid. what event is occurring and is it a physical or chemical change?
    10·2 answers
  • True or false: Some parasites have complex life cycles where they live in different species of hosts at different stages
    9·2 answers
  • 8. Which type of element requires the least amount of energy to remove an electron?​
    7·1 answer
  • Please help it’s due by midnight I’ll mark you brainiest if you’re able to help
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!