Soil Erosion Material needed: cookie tray or old shoe box,soil,water and some seeds. Take a cookie tray or old shoe box Put some soil into it. Make a hill from the soil by sprinkling water on it. With the help of a steel scale make steps on one side the mountain and let other side to be sloping only. Spread seeds on all over the mountain. Sprinkle water all around the mountain Now observe : What happens to the seeds on the sided of the steps and on sloping surface? Wait for four to five days Which side do the seeds grow? What happen to the seeds on the steps of the mountain? Pls make it correct, spammers stay away
Answers
Answer:
Soil Erosion Material needed: cookie tray or old shoe box,soil,water and some seeds. Take a cookie tray or old shoe box Put some soil into it. Make a hill from the soil by sprinkling water on it. With the help of a steel scale make steps on one side the mountain and let other side to be sloping only. Spread seeds on all over the mountain. Sprinkle water all around the mountain Now observe : What happens to the seeds on the sided of the steps and on sloping surface? Wait for four to five days Which side do the seeds grow? What happen to the seeds on the steps of the mountain? Pls make it correct, spammers stay away
Answer:
At a blood donation camp organized to celebrate the World Diabetes Day, a total 270 volunteers had queued up for blood donation. The number of people with blood group ‘O’ was thrice the number with blood group A. The number of volunteers with blood group ‘AB’ was twice the number with blood group A and those with blood group B was 20 more than 4 times with blood group A. Find the number of volunteers of each blood group. What is your view on this act of donating blood.XDXDXD