How are underground gas or oil leaks cleaned A.Groundwater is pumped to the surface and purified
B.Sewage treatment are built to clean the water
C.Natural fruit acids are used to dissolve the oil
D.Bacteria are added to the ground water to feed an oil

Answers

Answer 1

Answer: D.Bacteria are added to the ground water to feed an oil

Related Questions

What hereditary material in the nucleus of the cell is responsible for passing traits to the next generation
Using the characteristic chart provided, which of the following characteristics would absolutely identify a flowering plant and eliminate the other species?A.Its seeds are often developed in a cone.B.It has true leaves, stems, and roots.C.It's often found in dry places.D.The seeds are enclosed in a fruit.
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Why water shortages are expected to be such a widespread problem in the future.
The mitochondrion is the place in the cell whereA.the DNA is copied B. cellular respiration takes place C. photosynthesis takes place D. energy is converted to waste

zack wants to run an experiment on reaction rates. he designs an experiment testing the reaction rate changes when magnesium and hydrochloric acid react. he decides to run one trial with magnesium ribbon and 10 M HCL. for his second trial, he rolls the magnesium ribbon and reacts it with 20 M CHL. in the third trial, zack cut the same amount of magnesium into silvers and reacts them with 30 M CHL. what is the problem with zack's design?

Answers

There are two variables in each trial.

Answer:

2 varibles

Explanation:

According to cell theory, all cells carry out the functions needed to sustain life. That means all cells must contain A) DNA. B) a nucleus. C) organelles. D) a control center.

Answers

According to cell theory, all cells carry out the function needed to sustain life.It means all cells must contain DNA as it is a molecule that holds biological instructions to develop, survive, and reproduce.

Thus, option A is correct.

What is cell theory?

Cell theory is given by Robert Hooke.
According to cell theory all cells arise from already existing cell
Cell is the basic structural and functional unit of life
All living organisms are made up of cell either single or multi cell

DNA is deoxyribonucleic acid made up of two polynucleotide chains that arranged in a double helical structure.

The main functions of DNA are replication, uncoding information,recombination and gene expression.

DNA plays a vital role and it is considered as primary unit of heredity in all types of organisms.

Therefore,According to cell theory, all cells carry out the function needed to sustain life.It means all cells must contain DNA as it is a molecule that holds biological instructions to develop, survive, and reproduce.

Thus, option A is correct.

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The different forms of a gene are called __________.a. alleles
b. phenotypes
c. chromosomes
d. polygenics

Answers

The different forms of a gene are called Alleles.

What is gene?

The basic unit of heredity which is transferred from parents to offspring. The gene determines the characteristics of offspring which is similar to their parents.

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The different forms of a gene are called alleles

_______ is when forests are cut and the land is cleared for farming or other uses.Desertification
Deforestation
Urbanization
Suburban sprawl

Answers

Deforestation refers to the long term destruction of forests to make way for human settlement or industrial activity

A solution that contains equal numbers of hydrogen and hydroxyl ions would be called acidic
basic
alkaline
neutral

Answers

a solution that contains equal numbes of hydrogen and hydroxil would be called : NeutralHydrogens component tend to be acidic while Hydroxyl Ion hase a base characteristic.If the amount is equal in a solution, then the PH of that solution will be +/- 7, which is considered a neutral solution

Answer:

The answer is D. neutral.

Answer the following for 20 points ……….