Answers by Ryszard Cetnarski
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Answers by Ryszard Cetnarski

Answers by Ryszard Cetnarski
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Examine the circulatory systom of the earthworm and the crayfish? 1. How is the circulatory system of the earthworm different from the crayfish? hypothesize as to why these differences exist (hint - consider
answered Oct 4, 2023
19 votes
265k views
If you can do your homework at a rate of 9.3 minutes for every problem, how many problems could be done after 8.13 hours? Round to a whole number.
answered Apr 7, 2023
15 votes
87.7k views
How does the fossil record provide evidence of common ancestry? Age and structure of fossils can suggest that multiple species were descended from a common ancestor. The fossils found in the deepest levels
answered Mar 28, 2023
19 votes
168k views
in dna, the 3' carbon on the surgar of one necleotide is attached to the 5' carbon on the sugar of the next nucleotide by a
answered Jan 16, 2023
27 votes
75.1k views
Can someone help me with this question?
answered Aug 9, 2022
12 votes
333k views
An element has 3 electrons, 3 protons and 4 neutrons. What will be its atomic number and mass number? (​
answered Feb 23, 2022
15 votes
386k views
Which agricultural activity is primarily blamed for the rapid drying out of the Aral Sea? A. strip mining B. cotton farming C. rice production D. herding livestock
answered Jan 26, 2022
18 votes
253k views
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