Question

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Answer 1

Answer:

1)aerobic bacteria break in the presence of air and anaerobic bacteria break in the absence of air

Explanation:

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Answer 2

Answer:

1)Aerobic means 'with air' and refers to the body producing energy with the use of oxygen. This typically involves any exercise that lasts longer than two minutes in duration. ... Anaerobic means 'without air' and refers to the body producing energy without oxygen.

2)Algae are plant like while protozoa are animal like because some algae are autotrophs which means they can photosynthesis like plants because they contain chlorophyll and protozoa are heterotrophs as are animals

3)Microscopic algae contribute in sustaining life on the earth. They produce food through photosynthesis since it has chlorophyll and add a huge amount of oxygen into the atmosphere.

4)Image result for phytoplankton live near the surface of water why

Phytoplankton are mostly microscopic, single-celled photosynthetic organisms that live suspended in water. ... Because they need light, phytoplankton live near the surface, where enough sunlight can penetrate to power photosynthesis.

5)Dry food items and biscuits don't spoil easily because, to spoil moisture is required therefore there is less moisture in these items these items don't get spoil easily. because these food items contains less moisture as the bacteria only attacks on the food which contains moisture.

Explanation:

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