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sveticcg [70]
2 years ago
5

Give four reasons why afertile soil is not necessarily productive​

Chemistry
1 answer:
abruzzese [7]2 years ago
5 0

Answer:

During cellular respiration animal cells combine oxygen with food molecules to release energy to live and function. Remember that cellular respiration produces carbon dioxide as a waste product. Animals use energy to grow, reproduce, and to function. They release the carbon dioxide into the air as a waste product

Explanation:

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Which correctly describes the relationship between genes and chromosomes?​
Vlada [557]

Answer:

Chromosomes are structures within cells that contain a person's genes.

Explanation:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

6 0
2 years ago
How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the dens
irina1246 [14]

First find the mass

44.1 ml @ 1.55 g/mL = 68.355 grams of Ca

the equation

Ca + O2 → CaO

= 55 grams of O2


3 0
3 years ago
Read 2 more answers
A school has 8 period in a day such the each periods is of 35 minutes.lf the number of period is reduced to 7, then how long wou
scZoUnD [109]

Answer:

45 minutes about

Explanation:

i think because i have 7 periods with 45 minutes each

5 0
3 years ago
2 atm of pressure would be equal to ____________ mmHg.
Ahat [919]

Answer:

1520 mmHg

Explanation:

Let's solve this by a factor conversion:

1 atm → 760 mmHg

2 atm . 760 mmHg / 1 atm = 1520 mmHg

5 0
3 years ago
A chemical change in which a single compound is broken down into two or more simpler products.
andreyandreev [35.5K]

Answer:

Decomposition or cracking

Explanation:

Decomposition reaction is a chemical change in which a single compound is broken down into two or more simpler products.

  For example;

                   A     →    B   +  C

 The driving force of such reaction is the high positive heat of formation of the compound which indicates that they are highly unstable.

Some stable compounds also decompose when subjected to high temperature and pressure.

5 0
2 years ago
Read 2 more answers
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