A is the correct answer to this
Both 1 and 2. if anything, exercise decreases the risk of heart disease
Answer:
Need the answer choices but a premature birth is when a baby comes earlier than its due date. Premature baby may not be fully developed and are really tiny.
Explanation: Women usually stay pregnant for nine months. However they could have their baby before their nine months is up. When this happens it is known as a premature birth. Because the baby was born early, it may not of had the time needed to fully develop. The baby may be smaller than other babies and it may take him/her more time to learn things than others.
Answer:
In 1980 there were 10.2 million elderly men (age 65 and over) and 15.2 elderly women, a ratio of 68 men to 100 women.Subsequently, the trend will change, so that by the year 2020 the sex ratio of the elderly population will be 69 men per 100 females.
