When a substance, like water, moves from an area of high concentration to low concentration.
In other words, the substance goes from where it is to where it isn’t.
If the materials are sugars and gases, this process is diffusion. Water only moves through a cell membrane by osmosis.
Question 1: c
question 2: d
question 3: a
question 4: a
question 5: b
question 6: a
question 7: a
question 8: b
question 9: d
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The 1918 Spanish flu, it infected 500 million people across the globe and it had killed up to 100 million people which is about 5% of the worlds population in 1918.
Answer:
A metalloid is used because it is a semiconductor and can become more conductive when more light shines on it. The most likely materials are crystalline silicon, amorphous silicon, gallium arsenide and organometallics (soluble platinum).
Explanation: