<u>Nucleic Acid, and Protein</u> are the class of biomolecule which are the two main ingredients in plant fertilizer.
Biomolecules- A chemical substance that is present in living things is called a biomolecule. These consist mostly of substances with the chemical elements carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus. The building blocks of life, biomolecules serve crucial roles in all living things.
Fertilizer- Any product or material given to soil to encourage plant development is referred to as fertilizer. There are many different types of fertilizers, and the majority of them include potassium, phosphorus, and nitrogen (N) (K). In actuality, the package of fertilizers bought in supermarkets lists the N-P-K ratio.
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Answer:
hydrogen, oxygen, carbon and nitrogen
I did 4 instead :')
Explanation:
Answer:
may be
the discovery of new evidence
Explanation:
Accepted theories may be modified or overturned as new evidence and perspective emerges. Scientists are likely to accept a new or modified theory if it explains everything the old theory did and more. The process of theory change may take time and involve controversy, but eventually the scientific explanation that is more accurate will be accepted.
Answer: All the given precaution are important to take care when working with heat and fire.
Explanation:
Double check on these precaution should kept be while working or experimenting with fire and heat:
- Hair should be tied back : bun or pony will be fine. if hair are untied then chances of catching fire by hair will be high.
- Do not touch hot equipment ,if required use gloves or tongs. Touching hot equipment with bare hands may lead to burns or minor (or major) accident
- Keep your face and eyes away from the flame while experimenting.Cover your face with mask and goggles.
- Do not mix chemical until or unless told to do so. This is because some times mixing of chemicals leads to evolution of large amount of heat which can difficult to handle.
- Be careful regarding cloths while working with heat and fire.
- Flammables must be kept away and should be used with caution. Safer distance must be maintained
the mitochondria breaks down chemical fuel into packets of chemical energy that can power the cell