Answer:c
Explanationb:ởi vì giá lươnhug dcựco người bá q quyếtn
Five types of pathogens r viruses, bacteria, fungi, protozoa, and worms.
water contaminated with germs can often be made safe to drink by boiling, adding disinfectants, or filtering
Answer;
-Change in a population through genetic variation over time.
Explanation;
-Evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. It is the process of genetic change from one generation to the next and may be caused by several aspects including mutation, natural selection, genetic drift, thought and technology.
Answer:
Two isotopes of the same element have the same number of protons in the nucleus, but differ in the number of neutrons. The nucleon number is equal to the total number of protons and neutrons in the nucleus.
Explanation:
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1. PP
2. PP
3. PP
4. CP
5. PP
6. PP
7. CP
8. CP
9. PP
10. PP
Chemical properties are those that are related to reactions. Physical are just the raw characteristics.
