As you grow older, you will need to remain physically active to keep a good level of physical fitness. Please select the best answer from the choices provided.
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The ocean layer of a rapid temperature change with deph is known as the

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?