B. Embryos are being collected by the student on the field trip.
Answer:
Weathering is the breaking down of rocks, soils, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms. Weathering occurs in situ (i.e., on site, without displacement), that is, in the same place, with little or no movement, and thus should not be confused with erosion, which involves the transport of rocks and minerals by agents such as water, ice, snow, wind, waves and gravity and then being transported and deposited in other locations.
Explanation:
Living components in a river ecosystem would include all plants, all animals, all microorganisms. Every fish species, every arthropod species, every reptile and amphibian species, all the birds, etc.
The correct answer is diarrhea.
Diarrhea refers to an enhancement in the intensity of bowel movements, an upsurge in the looseness of stool. It is caused due to increased discharge of fluid into the intestine, rapid passage of stool via the intestine, or diminished absorption of fluid from the intestine.
The common bacterial causes of diarrhea include Salmonella, Campylobacter, E.coli, and Shigella.
For nine month because it have to be strong
