bobtothemaxthe1st
08.12.2021 •
Biology
2
Read the following sentences from the article.
1. Life on volcanic islands starts with the most basic building blocks-autotrophic bacteria.
2 Passing birds might stop to nest on the new island, bringing seeds and spores from the
mainland or other islands.
3. Plant life can float through the ocean to end up on the island's shores.
4. Since they evolve in such an isolated environment, many organisms are considered to be
endemic specjes.
Which two sentences taken together provide the BEST evidence to support the idea that nearby landforms can help develop the
ecosystems of new volcanic islands?
(A)
1 and 3
(B)
1 and 4
(C)
2 and 3
(D)
2 and 4
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Ответ:
The atomic number of oxygen is 8
The atomic number of zinc is 30
The atomic number of Lithium is 3
The atomic mass of oxygen is 15.999, for zinc it is 65.39, and Lithium is 6.941
The number of protons for oxygen is 8, for zinc it is 30, and for Lithium is 3.
The number of neutrons for oxygen is 8, for zinc it is 35, and for lithium is 4. To find the number of neutrons you have to do atomic mass - atomic number.I rounded the answers to find the #of neutrons.
The number of electrons is always the same as the number or protons so the answer is for oxygen 8, zinc 30, and lithium 3.
I hope this helped you. If you can please make branliest :)