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wolverine [178]
3 years ago
15

Do you believe that we need to find alternate, environmentally friendly energy sources?

Biology
1 answer:
expeople1 [14]3 years ago
3 0

Answer:yes of course if we don’t the environment will die and undiscovered animals will become extinct and we can’t discover them till it’s too late and those polar bears are on thin ice and it’s not fair to them that they have to suffer for our choices

Explanation:

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3 years ago
Which of the following best explains why most chemical reactions proceed more quickly when the concentrations of reactants are i
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At higher concentrations, it catalyzes the collisions. think of it like a glow-stick. the smaller ones aren't a bright because less chemicals are inside the tube, but large glow-sticks are brighter, and has more chemicals contained in the tube. the correct answer is 3, the catalyst  answer. <span>At higher concentrations, product molecules are able to catalyze the reaction.
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7 0
3 years ago
What would cause antibodies to attack the cells of the body?
neonofarm [45]

Answer:

In autoimmune diseases, such as lupus, multiple sclerosis and rheumatoid arthritis, people produce antibodies that stick to their body's own proteins and attack healthy cells.

Explanation:

5 0
3 years ago
For plants and other organisms to develop differences among their respective species the alleles of their genes must contain var
olasank [31]

A) <u>Mutation</u> is the original source of variations for plants and other organisms  which develops differences among their respective species

Explanation:

Genetic variation leads to the natural differences between each individual and among individuals of a species. The main cause for this variation is due to alleles that cause variations in the composition of genes or the DNA sequences.  

A mutation is a genetic variation which leads to the creation of a new allele in a species population. Each variation in the DNA sequence leads to an allele formation and each allele leads to a difference in character or trait between individuals since they are the alternate version of the original genes.  

Although genetic variations could be brought about by crossing over, random fertilization, or independent assortment; mutation is the original source because it provides the basic raw material for all the evolutionary changes.

8 0
3 years ago
A solution with a pH of 9 has ____ times fewer hydrogen ions than a solution with a pH of 6.
tino4ka555 [31]

Answer: Has 3 times fewer hydrogen

Explanation:

3 0
3 years ago
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