When the sand hits the still water it sinks, because there is not enough current
Answer:
It is Chemical
Explanation:
Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates.
Answer:
Carbon cycle may be defined as a type of biogeochemical cycle that regulates the amount of carbon in nature. The carbon is released by the living animals and utilized by the plants in form of carbon dioxide.
Photosynthesis consumes the carbon dioxide to make carbohydrates where as cellular respiration releases carbon dioxide and breakdown the carbohydrate. Both these process helps in recycling of the carbon in nature and maintains the level of carbon in nature.
Answer:
the body tends to release more waste products in liquid form.
Explanation:
on a hot day, the human body releases sweat more than on a cold day. this is due to a difference in the temperature.
All chemical reactions involved in maintaining the living state of the cells and the organism. Metabolism<span> can be conveniently divided into two categories.</span>
