Biological diversity. It studies all living organisms and how they interact with each other and their environment.
yeh American server h yha koi tumahri hindi nhi samjhega-,-..xD
Unlike freshwater fish, saltwater fish <span>often contain a lower concentration of salt than the water they live in.
so your answer is </span><span>A. often contain a lower concentration of salt than the water they live in.
hope that helps!!!!!</span>
The best answer for this is B. AaAA
Being in nature or even viewing scenes of nature reduces anger fear and stress and increases pleasant feelings. exposure to nature not only makes you feel better emotionally it contributes to your physical well-being reducing blood pressure and heart rate muscle tension in production or stress hormones
