Answer:
B) salt
Explanation:
It is considered a substance because it has a uniform and definite composition. Salt easily dissolves in water, but salt water cannot be classified as a substance because its composition can vary.
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Answer:
Convection plays an important role in heat transfer inside this pot of water.
Explanation: i hope this is right
The answer is
c. forecast
Answer:
Acetylecholine
Explanation:
At neuromuscular junction Acetylcholine (ACh) is released, it is a peripheral neurotransmitter. It functions for stimulating the contraction of skeletal muscles. In periphery it also serves as neurotransmitter including central and autonomic nervous systems.
Both the mushroom and the gecko are heterotrophs: they need to acquire their food from other sources. The tree, on the other hand, is an autotroph--it gains most of its nutritional needs through photosynthesis.