Answer:
i think 1) Malaria and marshy areas have some relation.
2) Quinine is an effective drug for treating malaria.
3) Drinking the water of marshes does not cause malaria.
4) Plasmodium is seen in the blood of malaria patients.
Explanation: if this is wrong please let me know and sorry
glue the plus sign, then sunlight, arrow, hexagon plus the rest of the O2s
Answer: Ions are defined as atoms that have lost or gained an electron and have a charge.
Explanation: Ions are charged atoms. Ions can be negative or positive. When an atom looses one or more electrons, it becomes positively charged and a positively charged atom is called a cation. When an atom gains one or more electrons it becomes negatively charged and a negatively charged atom is called an anion.
I THINK humid but I'm not completely sure