Choice B., an abstract
Choice C., a summary
Choice D., a reference
The brief description of the project is called Abstract.
Option B.
An abstract is defined as a brief description of the project or content of an article, speech, or a book. An abstract is given at the beginning of the book or project to describe what's the topic of the project, what the project is going to prove, or to explain.
An introduction on the other hand is a description about the project topic, the prevailing idea, or explaining the topic of project.
A reference is described as the source from where the data of the project are collected or hints are taken.
A summary is the paragraph briefly describing the project conclusion at the end of the project, to briefly explain everything about the project.
Due to photosynthesis, plants convert Sunlight and Carbon Dioxide into Oxygen. All living things breathe in this gas (Oxygen).
Photosynthesis allows the air and oxygen into the earth and co2 out of the air and into the plants.
Answer: We all know that DNA act as repository of genetic information in most organism. But before the discovery of DNA it was thought that proteins act as a genetic material because protein is the final product of the cell dogma of cellular system and proteins helps in the formation of tissues and organs.
Answer:
The correct answer will be option-B (fats or lipids)
Explanation:
The oxidation of fatty acids provides the most abundant energy that is 9 kilocalories per gram of food as compared to proteins and the carbohydrate which provides only 4 kilocalories per gram of food.
If a person wants to go hiking then, the person would keep the food rich in fatty acids which will provide a high amount of energy and a large amount of heat through the process of respiration.
Thus, Option-B is the correct answer.
C. proteins
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Answer:
Rock is solid mass formed by the combination of small minerals and other organic compounds. Example: Granite A mineral is a natural inorganic compound with different chemical and physical properties. Example: Quartz
Explanation: