No, because humans are much more complex than peas.
He could be blindfolded and know which was his and which was his sister's. All he would need to do is pick them both up and if they were too big then pick them up one at a time. The lumber might make it harder to tell, but this is a question about physical properties.
So there is a change in mass which for the purpose of this question should be quite different. His sister's ought to be much lighter than his. He would find it easier to pick up.
Aye you have the same class as me bruh I need help on some chemistry qustions
Answer:
high ph -basic,low pH -acidic
Explanation:
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Atomic number 70
weight 173
number of neutron = weight - Atomic number
= 173 -70
=103
