Answer:
He is using Hydroponics.
Explanation:
It is hydroponics because
Hydroponics is an horticultural method of cultivating plants or growing plants without soil but by using water and nutrients or minerals solutions to cultivate the plants.
Hydroponics plants or herbs are cultivated inside a growing media and necessary nutrients, oxygen and water are supplied to boost their growths.
Examples of plants cultivated using hydroponics are tomatoes, lettuce, spinach, spring onions, blueberries e.t.c.
Answer: 4
Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.
let me see the choices.............
Answer:
The mass of the cube of copper is 89.4 g.
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