I believe it was b 1999 when they had the appropriate technology
Answer:
c
Explanation:
it's light intensity because it's not as hard as say jogging (moderate) or sprinting (vigorously)
Answer:
Tobacco. Smoking during pregnancy increases the risk of health problems for developing babies, including preterm birth, low birth weight, and birth defects of the mouth and lip. Nicotine is a health danger for pregnant women and developing babies and can damage a developing baby's brain and lungs. This could really harm the baby.
Answer:
y chromosome is responsible to determined the sex of the child
x chromosome don't determined the Sex of the child