?? you Didn’t Add Any Of The statements so your question can be answered
Answer:I’ll try ig
Explanation:
1: would be able to smile, probably teething, can clap, be able to support themself sitting up
2: starts crawling, maybe starts babbling, can play with some toys and kinda understand them
3: should be crawling and if already maybe drifting.. starts eating more baby foods not just milk, should have first tooth at LEAST, maybe said A word.
Hope this helps
Ergonomics<span> (or human factors) is the </span>scientific<span> discipline concerned with the understanding of interactions among humans and also other elements of a system, & the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance.
Hope This Helps</span>