Answer:
i am sorry i dont know :(
Explanation:
Answer:
B.) The total mass of B and C, which are water and carbon dioxide, is equal to the total mass of A and D, which are oxygen and glucose.
Explanation:
The following statements that support the conclusion that photosynthesis follows the law of conservation would be B.) The total mass of B and C, which are water and carbon dioxide, is equal to the total mass of A and D, which are oxygen and glucose. We can conclude this because the law of conservation states that for any transfer of mass, it will always stay the same, meaning that you cannot add to it nor remove from it. Option A would not be correct because the question asked about photosynthesis, and A is describing cellular respiration. Options C and D would also not be correct because when you add up the values in the way that they are listed, it does not sum up to the statement. Here are all of the letter combinations added together, based on the letter choices:
B and C ➡ 372
A and D ➡ 372
A and B ➡ 300
C and D ➡ 444
A and C ➡ 456
B and D ➡ 288
Notice how the first two listed add up to 372. And because this matches option B, that will be your answer.
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DNA is duplicated in the replication process of the DNA cycle.
Genetic code is a set rules by which information encoded within genetic material DNA or mRNA sequence is translated into protein by living cells.
Answer:
Age of rock = 500 million years
Explanation:
The age of the rock can be calculated by determining the number of decays (half-lives) the parent rock has undergone.
The half-life of a radioactive material is the time it takes for half the the quantity present in that material to decay or disintegrate.
The half-life of the rock sample = 250 million years
Amount of parent rock left in the rock sample = 25% = 1/4
Number of half-lives, n required is given as (1/2)ⁿ
Number of half-lives undergone by the parent rock sample to be 1/4 of the original sample is given as: (1/2)ⁿ = 1/4
1/4 = (1/2)²
Therefore, n = 2
Age of rock = number of half-lives * half-life (in years)
Age of rock = 2 * 250 million years
Age of rock = 500 million years
