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Simora [160]
3 years ago
9

According to the principle of stratigraphy which layer in a rock formation would you expect to be the oldest

Biology
1 answer:
Olegator [25]3 years ago
6 0
The answer would be the Base layer
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Many natural cycles allow life on Earth to continue. One of them is the
Alex_Xolod [135]

Answer:

D. Changing land use and burning fossil fuels.

Explanation:

Today, the carbon cycle is changing. Humans are moving more carbon into the atmosphere from other parts of the Earth system. More carbon is moving to the atmosphere when fossil fuels, like coal and oil, are burned. More carbon is moving to the atmosphere as humans get rid of forests by burning the trees.

5 0
3 years ago
2. What elements<br> up molecules of sugar?
ch4aika [34]

Answer:

carbon, hydrogen and oxygenation

5 0
3 years ago
Hemoglobin is a protein in the blood that is made of 4 polypeptide chains. Two alpha chains are composed of 141 amino acids each
Ghella [55]
Amino acid differs at the glutamine, which is converted to valine in hemoglobin S. the body produced hemoglobin S due to a point mutation in the DNA sequence which results in different amino acid to be formed during translation of DNA sequence codons.
8 0
4 years ago
Which statement about the respiratory chain best explains the information presented in the graph? A. During electron transport a
Mkey [24]

Answer:

C) The components of the respiratory chain are arranged in order so that an electron passing from one to the next undergoes a sequential drop in energy.

Explanation:

Cheyne–Stokes states that respiration is an abnormal pattern of breathing characterized by progressively deeper, and sometimes faster, breathing followed by a gradual decrease that results in a temporary stop in breathing called an apnea.

7 0
3 years ago
Which of the following has the most potential of experiencing background extinction based on the natural disruption described?
Neko [114]

The option that has the most potential of experiencing background extinction based on the natural disruption is : ( C ) A species that will not grow during a specific season every year

<h3>What is Background extinction </h3>

Background extinction is the gradual extinction of species due certian environmental factors such as change in weather conditions, disease, competitive disadvantage and habitat loss.

A population that will not grow during a specific season every year will experiences a gradual extinction process while other options will experience a fast and sudden extinction process.

Hence we can conclude that the most potential of experiencing background extinction based on the natural disruption is :  A species that will not grow during a specific season every year.

Learn more about background extinction : brainly.com/question/11872946

6 0
2 years ago
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