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Which of the following molecules has NOT been used as a biomarker, an organic chemical signature of once living organisms? 1) carbon isotopes 2) oxygen isotopes 3) sodium ions 4) cellular pigments 5) all
asked
Dec 13, 2024
Biology
high-school
1
answer
5
votes
124k
views
A student is looking through a microscope at stained cells that appear to have a stiff outer edge and smaller structures inside, including a large rounded object near the center. What type of cell would
asked
Dec 5, 2024
Biology
high-school
1
answer
3
votes
111k
views
prove that if s1 is a nonempty subset of the finite set s2, and s1 is linearly dependent, then so is s2.
asked
Jun 5, 2024
Mathematics
high-school
1
answer
4
votes
93.0k
views
When a futures contract is traded on the floor of the exchange, it may be the case that the open interest increases by one, stays the same, or decreases by one. Explain this statement.
asked
Apr 24, 2024
Business
high-school
1
answer
3
votes
151k
views
Is who’s camera this is a adverb or a Adjective
asked
Mar 10, 2024
English
college
1
answer
4
votes
160k
views
How many terms are in the expression shown? 2n+5-3p+4q
asked
Feb 5, 2024
Physics
college
1
answer
1
vote
190k
views
With any remaining open balances, after insurance payments have been posted, the account financial liability is a) Transferred to another account b) Written off as bad debt c) Collected from the patient
asked
Jan 16, 2024
Business
high-school
1
answer
3
votes
115k
views
Give an example of human and humane?
asked
Aug 19, 2023
English
college
2
answers
20
votes
130k
views
I need an answer, and 16:1 doesn't work
asked
Jun 13, 2023
Mathematics
high-school
1
answer
0
votes
184k
views
Where did the Democratic-Republicans have a strong political base?
asked
May 7, 2023
History
high-school
2
answers
10
votes
41.1k
views
The Italian states played a crucial role in politics because of • their economic value • their allegiance to the pope • the high demand for middle eastern goods • their rule by hereditary monarchs
asked
Dec 25, 2022
History
high-school
1
answer
16
votes
62.7k
views
Select the number of valence electrons for hydrogen.
asked
Dec 17, 2022
Chemistry
college
2
answers
0
votes
126k
views
What is the perimeter of this tile pls help..
asked
Sep 9, 2022
Mathematics
high-school
1
answer
4
votes
169k
views
Which action caused the United States to engage in a "police action" on the Korean Peninsula in 1950? A) the collapse of South Korea's democratic government B) the assassination of North Korea's political
asked
Jul 21, 2022
History
high-school
1
answer
5
votes
130k
views
I need help with this please.
asked
Jul 19, 2022
Mathematics
high-school
1
answer
5
votes
234k
views
A car traveling initially at 7.02 m/s accelerates at the rate of 9.04 m/s 2 for 5.85 s. What is its velocity at the end of the acceleration
asked
May 18, 2022
Physics
high-school
1
answer
0
votes
23.4k
views
|−12| = 12 True or False
asked
Apr 24, 2022
Mathematics
high-school
2
answers
0
votes
187k
views
Meiosis is the production of cells.
asked
Apr 3, 2022
Biology
high-school
1
answer
3
votes
60.3k
views
Presley's style was the precursor to that of the British band known as
asked
Mar 11, 2022
Arts
college
1
answer
16
votes
110k
views
4x^2 − 8xy − 140y^2. Reduce to lowest term
asked
Feb 14, 2022
Mathematics
high-school
2
answers
2
votes
147k
views
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