Nitrogen is special because it is necessary for growth and reproduction. It's needed for plants and animals to survive. The main function for the atmosphere i believe is to give oxygen and nitrogen.
A producer cannot make sugars in the absence of light, the correct option is A.
<h3>What are producers?</h3>
Producers, also known as autotrophs, are lifeforms that produce their own food.
They obtain energy from chemicals or the sun and transform it into usable energy in the form of sugar or food using water.
Plants and algae can produce their own food by harnessing solar energy. These organisms are referred to as producers because they generate their own food.
Thus, the correct option is A.
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Answer:
A supertype entity
Explanation:
A supertype is a form of entity which has one or even more subgroups to relate to. A subtype is an entity type sub-group of entities that is relevant to the organisation and shares similar characteristics or relations which are different from certain sub-groups.
The entity supertype is a different form of entity type which has relationship with one or even more subtypes and includes subtypes ' of specific attributes.
Pros:
It is (mostly) based on pyrethrine spray which kills the
insects rapidly.
It not poisonous to other animals.
It uses synthetic, natural spray which is safe to use because
it breaks down within 10 minutes.
Te technique can reach tall forests.
It can be used in closed spaces ( greenhouses, basements
etc).
Cons:
It requires windless circumstances ( which is mostly at
nights).
Breathing fog may cause respiratory and throat irritation to
some.