Explanation:
You can calculate your maximum heart rate by subtracting your age from 220. For example, if you're 45 years old, subtract 45 from 220 to get a maximum heart rate of 175. This is the average maximum number of times your heart should beat per minute during exercise.
Answer:
When the follicular phase begins, levels of estrogen and progesterone are low. As a result, the top layers of the thickened lining of the uterus (endometrium) break down and are shed, and menstrual bleeding occurs.
Explanation:
Brainliest pls
Answer:
Cheer them up! Try not to bring why they are depressed into whatever you are doing. If they don't want to or just want to be alone, just let them. Everbody wants to be alone sometimes.
7. eight.
8. metacarpal.
9. tibia, fibula, and talus bones.
10. hands and feet.
11. manubrium
12. frontal bone.
13. fibula
14. ulna
15. femur
1. ozone depletion occurs when chlorofluorocarbons (CFCs) and halons are released into the atmosphere
2. the ozone layer acts as a shield for life on Earth. Ozone is good at trapping a type of radiation called ultraviolet radiation, or UV light, which can penetrate organisms protective layers, like skin, damaging DNA molecules in plants and animals