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
Ilya [14]
3 years ago
6

Which of the following statement explains how fossils can be useful?

Chemistry
1 answer:
Ratling [72]3 years ago
7 0

dihwihdiwhdiwdhiwdhiwhdiwhdiwddiwondwwwwddddddddddddddddddddddddddddddddddwwww

Explanation:

You might be interested in
In the chemical reaction: NaOH (s) + H2O Na+ (aq) + OH- (aq), which substance (or substances) is in solution? A. Na+ (aq) only B
bonufazy [111]

Answer:

in a chemical reaction of NaOH with H2O, after NaOH is completely disassociated, we will find Na+ and OH- ions in the solution. (option C).

Explanation:

In a reaction where NaOH is added to H2O.

NaOH is considered a strong base, this means that in an aqueous solution ( in water) it's  able to completely disassociate in ions.

There will not remain any NaOH in the solution. This means option D is not correct.

The ions in which NaOH will disassociate are : NaOH → Na+ + OH-

These ions we will find in the solution.

Not only Na+ because NaOH is a strong base, so there will be a lot of OH- ions as well in solution.

This means in a chemical reaction of NaOH with H2O, after NaOH is completely disassociated, we will find Na+ and OH- ions in the solution.

3 0
2 years ago
Convert 850 mm Hg to kPa. *
Feliz [49]

Answer:

113.324 KPA

Explanation:

4 0
3 years ago
PLEASE HELP!!!!
Colt1911 [192]

c. table salt is a metalloid with properties of both reactants

4 0
2 years ago
Two methods by which we can conserve water and water the plants.
Natalka [10]

Answer:

Two methods which help us to conserve water are:

Sprinkler irrigation system: this irrigation has an arrangement of vertical pipes with rotating nozzles on the top. It is more useful in the uneven and sandy land where sufficient water is not available.

Drip irrigation system: this irrigation system has an arrangement of pipes or tubes with very small holes in them to water plants drop by drop just at the base of the root. It is very efficient as water is not wasted at all.

3 0
2 years ago
After rigorous statistical analyses have shown a very low likelihood (usually 5% or less) of a result having occurred by chance
PSYCHO15rus [73]

Answer:

Statistically significant.

Explanation:

The common example is tossing a coin.

The probability of tossing a head is \frac{ 1}{ 2} = 50 \%.

The probability of tossing five heads in a row is (\frac{1}{2})^{5} = \frac{1 }{ 32} = 3.1 \%.

p < 5 %, so this is a <em>statistically significant</em> result.

if someone tossed five successive heads, I would start thinking that the coin was loaded.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Bruce left some butter out in his kitchen. Bright sunlight came in through the window and melted the butter. Heat energy from th
    12·2 answers
  • 3. Mr. Hill has 27 students in his class
    13·2 answers
  • A balanced chemical equation used to prepare ammonium carbonate, (nh4)2co3 , is: 2 n h 3 ( g ) + c o 2 ( g ) + h 2 o ( l ) ⟶ ( n
    9·1 answer
  • What are the types of radioactive rays that can be produced during a radioactive decay?
    14·1 answer
  • What is the balanced net ionic equation including phases for K2SO4 and SrI2
    7·1 answer
  • What is formed when amino acids form long chains or polymerize
    12·1 answer
  • Sex cells are produced during the process of
    13·2 answers
  • HELP
    10·1 answer
  • Some items, such as rubber, float on the water, while some items, such as gold, sink in
    7·1 answer
  • Select the correct answer. A solution with 117 grams of lithium hydroxide and another with 141 grams of hydrogen bromide are com
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!