kamiyaoden03 kamiyaoden03

30-04-2021
Biology

contestada

What do these two changes have in common?

saliva breaking down a piece of bread

a penny tarnishing

Select all that apply.

both are caused by heating
both are chemical changes
both conserve mass
both are changes of state

What do these two changes have in commonsaliva breaking down a piece of breada penny tarnishingSelect all that applyboth are caused by heatingboth are chemical class=

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dsalty3246 dsalty3246

30-04-2021

Answer: both are changes of state and both are changes of state

Explanation:

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kelsarain kelsarain

30-04-2021

both are chemical changes and both are changes of state

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