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katovenus [111]
2 years ago
15

When methane (CH4) combines with oxygen (O2), carbon

Biology
1 answer:
FromTheMoon [43]2 years ago
3 0

Answer:

C. CH4 + 202 – CO2 + 2H20

Explanation:

CH4+O2-CO2+H20

The above equation represents combustion of methane to produce carbon-dioxide and water.

One carbon atom is present on the reactant side as well as on the product side. Four hydrogen atoms are present on the reactant side  and two hydrogen atoms on product side. In order to balance this equation, we would multiply water molecule by two. Now there are four atoms of oxygen in the product side but only two on reactant side, so we will multiply oxygen molecule by two on the reactant side. Now the equation is balanced.

The balanced chemical equation is:

CH4+202-CO2+2H2O

This equation obeys the law of conservation of mass as the mass of the reactants is same as that of the products.

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This change from fins on the love-finned fish to legs and feet on the early amphibian is most likely due to:___________.
shusha [124]

Answer:

<h2>4</h2>

Explanation:

Lobe-finned fishes are bony fish, having fleshy, lobed, paired fins, these fins are joined to the body by a single bone only . The fins of these lobe-finned fishes differ from all other fishes in many ways, Lobe-finned fish lived in water.

By the passage of time, from fin on lobe-finned fish changed to legs and feet on the early amphibians due to variations among offspring, followed by natural selection. These  legs and feet containing amphibians lives both in water and land.

4 0
3 years ago
Owls and hawks both eat rodents.They are also found in the same habitats.Since no two populations can occupy exactly the same ni
Scorpion4ik [409]
<span>No. Because the hawk and owl hunt similar prey but occupy different ecological niches.</span>
5 0
3 years ago
Which of the following is a major determinant of the distribution pattern of a population?
horrorfan [7]

Answer:

a.) rate of population growth

Explanation:

The population growth rate determines how a population will be distributed in a region. Populations with a high growth rate need to occupy more spaces, in addition to needing to consume a greater volume of natural resources. As the population grows, the distribution in the region becomes more intense, the opposite also happens. When the population growth rate indicates that the population is decreasing it means that this population will need less space and therefore, its geographic distribution will be smaller, as well as its impact on the region.

3 0
3 years ago
List of non living things
Doss [256]

Some examples of important nonliving things in an ecosystem are sunlight, temperature, water, air, wind, rocks, and soil. Living things grow, change, produce waste, reproduce, and die.

5 0
3 years ago
Read 2 more answers
Why is the mixing of fresh water and salt water in the bay important?
Setler [38]

Answer:

When the salt water is mixed with fresh water,it is called brakish water which have the salinity 0.5 to 35 ppt.

Explanation:

The mixing of fresh and salt water is important for aquatic organisms.

The catadromous fish born in marine habitat but they spend their rest of life in the fresh water where growing and maturation takes place.

Ex- Eel is the common example of catadromous fish.

Like wise,

Anadromous fish born in fresh water and spends their life in the sea and return to fresh water for spawning.

For example Salmon, smelt, shad, are common examples.

Thus mixing of water is important for breeding and growing of these fishes.

More over, the brakish water contain world's most diversified life forms.

7 0
3 years ago
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