Water level wildlife cleanness pollution <span />
The number who reach sixty years of age will be higher because first of all, there will more and better health services available and the life expectancy of people is expected to rise.
Answer: Primary Consumers (eat producers) The arrows in a food chain show the flow of energy, from the sun or hydrothermal vent to a top predator. As the energy flows from organism to organism, energy is lost at each step. A network of many food chains is called a food web.
Answer:
B is the right answer .....
3.9-2.6=1.3
now to find the percentage :
1.3/3.9×100 = 33.33%
hope it helps....