Answer:
The stem moves toward the light for better photosynthesis.
Explanation:
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Answer:
Those materials which are not attracted by a magnet are called non- magnetic materials. All the substances other than iron, nickel, and Cobalt are non-magnetic substances for example plastic, rubber, water, etc are nonmagnetic materials. Non-magnetic substances cannot be magnetized.
Answer:
Basically exercise maintains the integrity of white matter which contains billions of neurons;
Therefore regular exercises reduces Alzheimer's diseases by 50 %. it stimulates the brain's ability to maintain old neuronal connections (synapses), and to make new ones.
Generally, exercise, increases cerebral blood flow, and therefore Oxygen supply to the brain.This stimulates neuronal metabolism.
Explanation:
Answer:
Commensalism is a long-term biological interaction (symbiosis) in which members of one species gain benefits while those of the other species neither benefit nor are harmed.
Explanation:
Temporary changes would be weather, since it can change at any givin time another example would be tides coming in because they vary by day, or wet sand becoming dry sand!
