Answer:
True
Explanation:
There are four biosafety levels according made to the pathogenicity of the organism. BSL-1 is used for those microbes which do not cause diseases in normal healthy person. BSL-2 is applicable for those microbes which posses moderate risk for humans and against whom therapeutic intervention is normally present in the market.
The worker who uses BSL-2 labs must be trained specifically for handling pathogenic microbes and they should be supervised by competent scientists so that any accident can be avoided. Therefore the statement is true.
The interaction between the biosphere and hydrosphere is that the hydrosphere provides water for the biosphere to function, grow, and live. Animals (biosphere), fish (biosphere) need water (hydrosphere) to live and swim.
Answer:
Water is intricately involved in numerous functions of the body including the transport of oxygen, nutrients and waste products into and out of the cells. ... Water is necessary for all digestion and absorption functions, and lubricates mucous membranes in the gastrointestinal and respiratory tracts.
Explanation:
Answer:
A
Explanation:
Examples of mass wasting are slides, falls, creeps, and flows. Mass wasting processes are easily observable because they happen fast and suddenly and the changes are vividly evident in very short bit of time. However, other methods of erosion such as mechanical and physical weathering occur very slowly and it would take many years for the changes associated wth their proceses to be vivid to the naked eye.
