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
Lesechka [4]
4 years ago
8

Which is an example of an environmental influence that would most likely result in natural selection

Chemistry
2 answers:
ipn [44]4 years ago
7 0
1) Competition over food
2) The amount of space/habitat available for living
3) A natural disaster such as a flood or drought
If this helps please make brainliest
Alina [70]4 years ago
4 0
Skeletal Adaptations

Giraffes, lizards, and many other known species adapted to their environments through genetic changes to their skeletons. This form of natural selection meant that members of the population who didn't develop and present these skeletal changes died out. For example, giraffes developed long necks to reach food sources higher up in trees, so members of the giraffe population who didn't develop a long neck died out. At the same time, certain lizards in one region developed longer leg bones to help it climb up during periods of flood and to escape predators in the ground; shorter legged lizards of the same population died out until only the lizards with the long legs survived.

You might be interested in
N2 + 3H2, -&gt; 2NH3<br> If I have 50.6 L of N2 and excess H2, how many liters of NH3 can I produce?
Anastaziya [24]

Answer:

C. 101.2 L

Explanation:

N2 + H2= NH3

Balancing it,

N2 + 3 H2 = 2.NH3

(1 mol) (3 mol) (2 mol)

which means

1 molecule of nitrogen reacts with 3 molecule of hydrogen to form ammonia.

Likewise,

50.6 l of nitrogen reacts with 50.6 × 3= 151.8 l of hydrogrn to form 50.6 × 2= 101.2 l of ammonia.

3 0
3 years ago
A 250.0 gram block is placed on a balance. The balance measures the mass of the block as 243.9 grams. What is the percent error
adell [148]
To compute the percent error, you divide the absolute difference between the actual value and the measured value with the actual value. Then, multiply it with 100 to get the percentage. The solution is as follows:

Percent error = (250 - 243.9)/250 * 100
Percent error = 2.44%
7 0
3 years ago
Read 2 more answers
How much carbon dioxide is released when it is fully combusted with 4Kg of ethanol with more than enough oxygen? How do you work
Karolina [17]

Answer:

7.640 kg

Explanation:

Step 1: Write the balanced complete combustion equation for ethanol

C₂H₆O + 3 O₂ ⇒ 2 CO₂ + 3 H₂O

Step 2: Calculate the moles corresponding to 4 kg (4000 g) of C₂H₆O

The molar mass of C₂H₆O is 46.07 g/mol.

4000 g × 1 mol/46.07 g = 86.82 mol

Step 3: Calculate the moles of CO₂ released

86.82 mol C₂H₆O × 2 mol CO₂/1 mol C₂H₆O = 173.6 mol CO₂

Step 4: Calculate the mass corresponding to 173.6 moles of CO₂

The molar mass of CO₂ is 44.01 g/mol.

173.6 mol × 44.01 g/mol = 7640 g = 7.640 kg

5 0
3 years ago
What is the frequency of UV light that has an energy of 5.2 x 10^-8 J?
adelina 88 [10]
The answer for this is because 98,8
3 0
3 years ago
A student was asked to determine the concentration of ammonia, a volatile substance used in the clinical setting as a respiretor
UNO [17]

This question is describing two chemical equations whereby the concentration of ammonia has to be determined. The first reaction is between 25.00 mL of ammonia and 50.00 mL of 0.100-M HCl whose excess was neutralized with 21.50 mL of 0.050-M Na₂CO₃ and thus, the concentration ammonia in the cloudy solution was determined as 0.114 M.

First of all we need to go over the titration of the excess HCl with Na₂CO₃ by writing the chemical equation it takes place when they react:

2HCl+Na_2CO_3\rightarrow 2NaCl+CO_2+H_2O

Whereas the mole ratio of HCl to Na₂CO₃ is 2:1 and the volume of the HCl leftover is determined as follows:

V_{HCl}^{leftover}=\frac{2*0.050M*21.50mL}{0.100M} =21.5mL

Next, we infer that the consumed volume of HCl by the ammonia solution was:

V_{HCl}^{consumed}=50.00mL-21.50mL=28.5 mL

Then, we write the chemical equation that takes place between ammonia and HCl:

HCl+NH_3\rightarrow NH_4Cl

Whereas the mole ratio is now 1:1, which means that the concentration of ammonia was:

M_{NH_3}=\frac{28.5mL*0.100M}{25.00mL}\\\\ M_{NH_3}=0.114M

Learn more:

  • (Titration) brainly.com/question/15687419
  • (Titration) brainly.com/question/25328286
8 0
2 years ago
Other questions:
  • NaOH + X mc005-1.jpg NaCH3COO + H2O What is X in this reaction?
    5·1 answer
  • 26 PONITS FOR BEST ANSWER
    10·1 answer
  • 6. Identify each element as a metal, metalloid, or nonmetal
    13·1 answer
  • Which of the following describes the Milky Way Galaxy? an irregular universe containing billion of galaxies a spiral galaxy cont
    6·1 answer
  • You just calculated that the heat of fusion for chloromethane is 6400 J/mol. The heat of fusion for hydrogen is 120 J/mol. Which
    13·1 answer
  • Which stage of the cell cycle usually takes the longest?
    5·1 answer
  • Please help me answer this question
    12·2 answers
  • 20 POINTS PLZ HELP ME IDK WHAT TO DO
    10·1 answer
  • What happens when chromium nitrate is added to distilled water
    6·2 answers
  • Allison is analyzing the fracture pattern of a window. She sees that the fracture lines encircle the point of impact. What type
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!