Howard is working with a cleaning solution that contains sodium hydroxide. although he is using gloves, when he pours the solution to dilute it for cleaning use, he spills a bit on his arm. his arm feels slimy to the touch and now has a burn mark. what is the chemical route of entry?

Option (d) is the correct answer.

Explanation:

When a substance is absorbed on another substance then this process is known as absorption.

For example, when NaOH is felt on the arm of Howard then absorption of chemical takes place on his skin due to which he has a burn mark.

Inhalation is defined as a process of breathing in something. Ingestion is a process of swallowing or eating food.

And, injection is a process of taking a medicine using a syringe and a needle.

Thus, we can conclude that the given chemical route of entry is absorption.

d.) circle motion requires a force to give it a centripetal acceleration.

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