Answer:
An ionic bond can be formed after two or more atoms loss or gain electrons to form an ion. Ionic bonds occur between metals, losing electrons, and nonmetals, gaining electrons. Ions with opposite charges will attract one another creating an ionic bond
Answer:
No. of neutrons = mass no. - atomic no.
Explanation:
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Answer:
The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air.
Explanation:
Answer: 1.B). Evolution genetics.
2.C). Less Bacteria becoming resistant to the specific Antibiotics .
Explanation:
Evolution genetics is field of science, which includes study of genetic variations that lead to evolutionary changes in organisms. As some bacteria had changed their DNA that led to development of antibiotic resistance in them.
Due to antibiotic resistance, certain bacteria, in which changes in DNA take place, become resistant against some type of antibiotics and those antibiotics are no longer effective to prevent or kill them
Thus, the correct options to be filled in the blanks are option (B) and option (C).
The creosote bush has two significant adaptations that allow it to survive for prolonged periods without water. The first adaptation is its small, waxy leaves which minimize the amount of water that evaporates from them. The second adaptation is its wide, shallow network of roots that captures as much water as possible when it becomes available. Hope this help you.
