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Why do organisms need water?
Organisms need water for the following reasons:
(i) All cellular processes need water as a medium. Usually, the reactions that take place in our body or within the cells occur between substances that are dissolved in water.
(ii) Since most of the substances are transported in a dissolved form, water is necessary.
Explain the Somatosensory System The somatosensory system consists of: 12 pairs of cranial nerves, and 31 pairs of spinal nerves All our conscious awaren
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Define age related changes in Endocrine system There is a decrease In blood concentration of the hormone / binding protein transport. Sensitive hormone receptors diminish. Age-
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To show that expired air contains carbon dioxide The two flasks are linked so that when you breathe by the T piece, all the air bubbles by the lime water in the flasks. One tub
#question.I AM TRAYING TO DO A SCIENCE PROJECT FOR 7TH GRADE BUT I DONT KNOW WHAT SHOULD I DO ?
Moisture comes from other plants Secure a flower pot which has some bean or pea seedlings that are 10 or 15 cm in height. Cover the top of the pot with cellophane or sheet rubb
Explain the Chemical Weathering Processes The chemical process of decomposition starts with the physical disintegration of rocks and minerals. In chemical weathering processes
Objectives After studying this unit, you should be able to: 1. explain the need for reporting lab accidents, 2. state the accident reporting procedure, 3. list the
What is the professional name for the person who studies fossils? Paleontologist
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