Your local Doctor should be able to tell you
Drugs
A baby should NOT be doing this it is VERY bad for your baby to be in an environment where Dog urine is present.
You should only give your 5 week old baby gripe water and breast milk.
You should give an 8 week old baby 3 oz bottle of breast-milk or powdered milk if he/she has trouble drinking it then only give it 2
A healthy four week old baby should be noticeably larger than a newborn with less wrinkles than a new born and a clearer complection.
A 12-week-old baby should typically eat about 4-6 ounces of breast milk or formula in one feeding. It's important to follow the baby's cues and feed on demand.
8, 9?
The baby is teething you should probably get him or her oral teething gel.
A 10-14 WEEK old baby can coo and babble a little bit. Walk? Hell no. Read the q before you answer. they should be walking and talking very little.
they should hold their own head they should hold their own head
At that age a baby should not eat anything, it gets all the nutrition it needs form its mothers milk.
They are about a week old.