Answer:
SO SORRY IF THIS IS WRONG BUT I HOPE THIS HELPS
Explanation:
Primary fertilizers include substances derived from nitrogen, phosphorus, and potassium. Various raw materials are used to produce these compounds. ... The phosphorus component is made using sulfur, coal, and phosphate rock. The potassium source comes from potassium chloride, a primary component of potash.
Answer:A. Both animals and plants have changed over time.
Explanation:
Because plants and animals go through adaptations.
Answer:
Lead is added to warm dilute nitric acid. When the carbonate has reacted with the warm acid, more carbonate is added until the carbonate is in excess.
Explanation:
The answer to your question would be silicon. I hope this helped!!!
Answer:
covalent bond
Explanation:
a covalent bond forms when electrons are shared between two nonmetals
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