Answer:
cleaning
Explanation:
If people would clean up after themselves, the world's rivers and lakes would be clean. Water pollutants can be somewhat easy to remove by taking the trash out of them.
Chloroplast , cell walls and centriols can be found in plant cell but not in animal cells.
The water cycle is the correct answer, the water evaporates, then condenses into clouds, and turns into rain and precipitation occurs.
Answer:
'Gametes are formed through a process of cell division called meiosis. This two-step division process produces four haploid daughter cells. Haploid cells contain only one set of chromosomes. When the haploid male and female gametes unite in a process called fertilization, they form what is called a zygote.'
Explanation:
