5 grams will be left. After the first 1000 years, there will be half of 20 left, or 10. After 2000 years, half of 10 will remain, which is 5.
Answer:
B - radioactive nucleotide
Explanation:
i got it correct
Rice Plants need to stand in a lot of water for growth. The Borders (bunds) of a rice field have to be Strong to hold the Water. The Farmer Planted Grass Plants on the Borders because, Grass has Fibrous roots which bind the soil of the bund and hold it together.
<u>Explanation</u> : The Answer itself Explains us well about why the farmer planted those grass plants (i.e.) to increase the strength of the soil. We know that Unity and Teamwork are Strong Words. The Soil and Fibrous Roots show us How Strong those Words are!