Answer:
Acid pH is <u>1</u> to <u>6</u>, base pH is <u>8</u> to <u>14</u>.
Explanation:
The pH scale ranges from 1 to 14 with 7 being neutral, 1 being the most acidic and 14 being the most alkaline. As you progress further to the left of the scale, substances get more acidic while moving to the right gives you substances that are more alkaline.
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Layer 2 would be most likely to have organisms that lived at the same time as the bird species
The plant cell is able to withstand the expansion of the central vacuole as the result of the rigid cell wall which it possess. The plant cell wall provide a rigid structure which support the activities of the cell.
Rickets is caused as a result of vitamin D deficiency. The role of vitamin D in the body is its significance in the absorption of phosphorus and calcium from the gut. Consequently, phosphorus and calcium in the blood is absorbed in the extracellular matrix of bone hence giving them strength. Therefore, deficiency of vitamin D results to soft bones that are a symptom of rickets.
Answer:D can occur in animals through binary fission
Explanation:
