Some farmers near an ocean must irrigate their soybean crops to harvest any successful growth. Desperate and without a source of fresh water, one of them decides to irrigate his field with seawater.
Another farmer captures rain in special traps and lightly irrigates his crops. What would we expect to be the results of these different forms of irrigation? A) The seawater irrigation plants produce many beans while the light irrigation produces few beans.
B) The seawater irrigation kills the plants while the light irrigation produces few beans.
C) Both forms of irrigation produce good crops with moderate production of beans.
D) The seawater crops last longer than the fresh water crops, but only the seawater crops produce beans.
Question 2
What percentage of the Earth is covered by oceans?
A) 50
B) 17
C) 80
D) 71
Plants responded by non-uniform root growth.
Arabidopsis plant growth is affected by touch.
African farmers use chili peppers to ward elephants off their crops. Clever!
World Population Growth, Past 10,000 years
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
A Successful Physical Fitness Program Uses FITT Principles