Answer:
the study of the structure, reaction, and composition of different kinds of substances
Explanation:
Answer:
3
Explanation:
bc I said so lol sksksksksksksksk
Estrogen and progesterone are hormones that are important for sexual and reproductive development in women. Estrogen and progesterone help to regulate a woman’s menstrual cycle and play an important role in pregnancy. While they are often thought of as ‘female hormones’, both estrogen and progesterone are also found in men.
Answer:
D
Explanation:
Common causes of chronic insomnia include: Stress. Concerns about work, school, health, finances or family can keep your mind active at night, making it difficult to sleep. Stressful life events or trauma — such as the death or illness of a loved one, divorce, or a job loss — also may lead to insomnia
