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
fgiga [73]
3 years ago
5

What adaptation do lungfish have te help them walk and live on land?

Chemistry
2 answers:
Viktor [21]3 years ago
5 0

Answer: biological adaptation

Explanation:

lungfish's lung is a biological adaptation. A biological adaptation is a physical change in an organism that develops over time. Like all fish, lungfish have organs known as gills to extract oxygen from water. The biological adaptation of the lung allows lungfish to also extract oxygen from the air.

I hope this helps :).

ollegr [7]3 years ago
4 0
The lungfish's ability to use its thin limbs to support its body may be helped by the reduced demands of gravity underwater, the authors proposed. By filling its lungs with air, the lungfish may increase the buoyancy of its front end, enabling the scrawny hindlimbs to lift the entire body off the ground
You might be interested in
A manual contains instructions for how to build a variety of structures using a set of interlocking bricks. If this scenario is
mezya [45]

Answer:

Explanation:The manual is a chromosome.

6 0
3 years ago
Assume that 25 ml of 0.440M NaCl are added to 25 ml of 0.320M AgNO3.
Genrish500 [490]
The balanced chemical equation would be as follows:

<span>NaCl + AgNO3 -> NaNO3 + AgCl

We are given the amounts of the reactants. We need to determine first which one is the limiting reactant. We do as follows:

0.0440 mol/L NaCl (.025 L) = 0.0011 mol NaCl -----> consumed completely and therefore the limiting reactant
0.320 mol/L AgNO3 (0.025 L) = 0.008 mol AgNO3

0.0011 mol NaCl ( 1 mol AgCl / 1 mol NaCl) = 0.0011 AgCl precipitate produced


</span>
8 0
3 years ago
An unknown compound containing only C and H was burnt, yielding 10.2 g of CO2 and 6.3 g of H2O. With a molecular weight of about
Lisa [10]

Answer:

C_2H_6

Explanation:

Hello.

In this case, we can see that the mass of carbon of the unknown compound comes from the yielded mass of carbon dioxide, thus, we compute the moles of carbon as follows:

m_C=10.2gCO_2*\frac{1molCO_2}{44gCO_2}*\frac{1mol C}{1molCO_2}=0.232 molC

Moreover, the mass of hydrogen comes from the yielded water, therefore we can also compute the moles of water:

m_H=6.3gH_2O*\frac{1molH_2O}{18gH_2O}*\frac{2molH_2}{1molH_2O}  =0.7molH

Then, to find the subscripts in the empirical formula, we divide by the moles of carbon as the smallest:

C:\frac{0.232}{0.232}=1\\ \\H:\frac{0.7}{0.232}=3

Whose molar mass is:

M_{CH_3}=12+1*3=15g/mol

Thus, the ratio of the molecular formula to the empirical formula is:

\frac{30}{15}=2

Therefore, the molecular formula is twice the empirical formula:

C_2H_6

Which is actually ethane.

Regards.

3 0
3 years ago
N 2H 4 + H202 N2 + H 20​
Degger [83]

Answer:

N2 + H20

Explanation:

chemical equation balancer

7 0
3 years ago
Which type of energy makes the other energy forms possible?
ANEK [815]

Answer:

3. Chemical energy

Explanation:

8 0
3 years ago
Other questions:
  • Question 6 if a gas pressure gauge reads 32.0 psi, what is the pressure in inches of mercury? 165 in. hg 15.7 in. hg 65.1 in. hg
    12·1 answer
  • Which has the smallest ionization energy: Boron, Carbon, Aluminum or Silicon?
    8·1 answer
  • What kind of chemical change do you think occurs when a banana peel turns brown in the open air?
    11·1 answer
  • Select the most reactive metal and the most reactive nonmetals items on this periodic table
    14·1 answer
  • According to Newton's Second Law of Motion, a decrease in mass will<br> increase acceleration
    7·2 answers
  • Products or solutions found at home or in store and their characteristics
    13·1 answer
  • A food web showing the flow of energy through a freshwater ecosystem is shown below. Which of the animals shown in the food web
    11·2 answers
  • 1) A bag of potato chips is packaged at sea level (1.00 atm) and has a volume of 315 mL. If this bag of chips is transported to
    9·1 answer
  • Which of the following pairs of elements would form an ionic bond? (Select all that
    7·1 answer
  • If you start with 20 kg of a radioactive isotope, calculate how much of the original isotope is left after one half-life has ela
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!