Bioaccumulation is the process by which chemicals are stored in the tissues of living organisms. It is the accumulation of chemicals in the tissue of organisms through any route including, respiration, ingestion or direct contact with contaminated water, sediment and pore water in the sediment. These chemical substances include, pesticides or other chemicals.
Answer:
Q-13.Radio waves
Q-14. Gamma rays
Q-15. I feel sorry I don't know
Explanation:
Gamma rays have the smallest wavelengths and the most energy of any other wave in the electromagnetic spectrum.
Radio waves have the lowest energies
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Answer:
Bactera and Archaea
Explanation:
Prokaryotes are divided into two different kingdoms; Bacteria and Archaea. The major comparison between them is:
- Cell wall of bacteria is made up of peptidoglycans, while that of archaea is composed of pseudomureins.
- Bacteria have one rRNA while archaea have three rRNA.
- Growth of bacteria can be inhibited by antibiotics while that of archaea can't be inhibited by antibiotics.
- Bacteria can't survive at extreme high temperature above 100 degree Celsius, while archaea can survive in both extreme physical and geological conditions.
Answer:
A cell uses active transport to move molecules across a cellular membrane when the molecules are being moved against a concentration gradient.
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