The answers A. C. D. are all physical reactions
The answer is B. Digestion of food
When food is digested it is chemically broken down
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1. The virus attaches itself to a host cell
2. The virus inserts its nucleic acid into the host cell
3. The virus nucleic takes over the host cell and makes virus parts
4. The cell creates more viruses
5. The cell bursts, releasing the new viruses
A. To understand the nature of an experimental subject
Answer:
Distance=Speed×time
=300000×8.5 (1 minute= 60seconds)
Therefore 8.5×60=510seconds
=300000×510
=153000000Km
Explanation:
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The second row of values in plant experiment most likely to have "high oxygen level and carbon dioxide level would be the same".
Explanation:
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.
