Answer:
Plants loose their leaves in winter due to following reasons: The plants of these types are called deciduous plants. The leaves of these plants contain a chemical called Chlorophyll. Chlorophyll in the presence of sunlight make food for plant and the process is called photosynthesis.
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Answer: the average kinetic energy of the molecules increase
Explanation: it means that more molecules are moving faster and hitting each other with more energy and if more molecules hit each other with enough energy to react, then the rate of the reaction increases
I think the answer to this is B.
DNA is contained in blood, semen, skin cells, tissue, organs, muscle, brain cells, bone, teeth, hair, saliva, mucus, perspiration, fingernails, urine, feces, etc. Where can DNA evidence be found at a crime scene? DNA evidence can be collected from virtually anywhere.
