The correct answer is <span>b. a mother holding a baby.
Babies could be fragile. Thus, it will require an effort when one is holding a baby in their arms. This is because they should be strong and firm at the same time they should be soft and comfortable for the baby. Also, a mother's touch is different. So the best work done in arms is </span><span>b. a mother holding a baby. I hope that this answer helped you. </span>
Answer is in the attachment.
Transversal: A line that intersects two or more points at distinct points is called a transversal.
The NH3 molecular geometry (molecular shape) is trigonal pyramidal. The NH3 bond angles are 107 degrees because the hydrogen atoms are repelled by the lone pair of electrons on the Nitrogen atom.
Plant cells have plastids and larger vacoule and they also have tough cellulosic cell wall outer to cell membrane as a covering.
Animal cells don't have cell wall rather they have cell membrane as it's outermost covering and they have smaller vacuoles.They also don't have plastids.They have centrosome which is not found in plant cells.