Answer:
Presence of chloroplast in plant cells
Explanation:
Chloroplast is an organelle found in the cytoplasm of plant cells, and helps in photosynthesis, by providing a site for trapping sun light which is used to produce food. Hence, plants are producers due to the presence of chloroplast while animals lack chloroplasts, so unable to produce their own food.
Thus, the presence of chloroplast in plant cells make it different from animal cells
Answer:It is called The Foramen Magnum
Explanation: It is a large oval opening linking the Spinal cord and the Brain
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D. Hypotheses is the correct answer
To thaw the frozen meat the steps are:
(A).Thaw the Frozen meat in the Refrigerator.
(B).Thaw the frozen meat under the cold running water.
(C).Thaw the frozen meat in the microwave.
What do we Thaw food?
When food is frozen at 0 ° c or lower, some of the bacteria found in it may become inactive but remain alive. When frozen food thaws, the core temperature rises, and bacteria may reactivate and multiply. Frozen food should not be left to thaw at room temperature to prevent food poisoning bacteria from multiplying to dangerous levels. Thawing frozen food in the refrigerator or microwave oven is recommended. They can also be thawed in running water or tap water, but in a leakproof package or container.
Therefore, we can say that all the above option mention above is appropriate methods to thaw a frozen meat.
To know more about Thaw food,
LINK: brainly.com/question/11887260
CODE: #SPJ4
Answer:
Oxygen levels are generally thought to have increased dramatically about 2.3 billion years ago. Photosynthesis by ancient bacteria may have produced oxygen before this time. ... In addition, early plants and algae began to release oxygen at a faster rate. Oxygen levels then showed a dramatic increase.