Answer:
b ac power source
Explanation:
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Answer:
Tar
Explanation: Tar is a big ingredient in cigarettes and can cause the sticky substance
Answer:
Answer is D.
Explanation:
When you're dealing with a plane mirror, the angle of incidence (angle of incoming ray to the normal) is equal to the angle of reflection (angle of the outgoing ray to the normal.
The only situation here where that is true is in option D (both angles are 40 degrees). In the other 3 answer options, one angle is 40 degrees and one angle is 50 degrees.
Answer:
1. Urea, (d)Fertilizer
2. Combines, (c) Harvesting and threshing
3. Silos, (b) Storage of grains
4. Seed drills, (a) Sowing seeds
5. Irrigation, (f) Sprinklers
6. Tilling, (e) Preparation of soil
Explanation:
1) Urea is a widely used and important fertilizer in the agricultural industry
2) The combine harvester combines three categories of harvesting grain drops such as threshing reaping and winnowing
3) Silos are used to store grains
4) A seed drill is a seed planting mechanism for burying seeds to a particular depth during seed planting
5) Irrigation is the application of required volume of water to plants
6) Tilling is the digging, turning, and staring operations meant to prepare the soil.
