Answer:
Aim to be at your THR for at least 15 to 20 minutes workout time, and ideally 35 to 45 minutes. If you're a beginner, start at 65 percent to 70 percent of your maximum heart rate and gradually increase the intensity.
Answer:
1.Physical sciences are subjects that seek to expand our knowledge about the universe.
2.It does not study living organisms, rather focuses on matter, energy, and all kinds of substances.
1. Biological sciences include subjects like botany, zoology, genetics, microbiology, paleontology, plant biology and so on.
2. It can also be subdivided according to its attributes.
hope this help you
False
some changes are gradual like environment, others can be either gradual or quicker like health or lifestyle changes