The Ogallala Aquirer is one of the world's largest underground reservoirs. It stretches across eight states in the United States of America, as shown below. Many farmers in these eight states use water from the Ogallala Aquifer for their livestock and crops. This has caused a dramatic decrease in the water table of the Ogalla
Aquifer. If the aquifer is completely emptied, it could take over 6,000 years to for it to refill naturally with precipitation. Which of these would help farmers decreas
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5
OGALLALA
wheir impact on the Ogallala aquifer? AQUIFER
A sensor that predicts precipitation on the farm and then waters the crops before and after the precipitation
A tool that measures evaporation and transpiration loss to inform farmers how much water the crops need
An automatic watering tool that gives crops the water they need when the Sun is at its highest point in the sky.

this story was prepared by jim

mccullaugh in los angeles and

al stewart in new york.

new york the colossal success of "top gun" appears to have dramatically altered madison avenue's

perception of corporate sponsorship

of home video projects.

the paramount home video re- lease, featuring a 60- second diet

pepsi spot, was by no means the

first prerecorded video to carry an advertiser's plug, but it was the

first major theatrical release to do so. in the aftermath of the title's

success, paramount is widely ex- pected to ink a similar deal for

"crocodile dundee" or "star trek

iv" or both.

corporate america's new attraccds push british

recording sales

to 19% gain

london fueled by the compact

disk boom, the value of u.k. manu- facturer shipments of recordings

rose 19% in the 12 -month period ended march 1987, according to the

british phonographic industry.

total value of u.k. shipments for

the period was $755 million for all

configurations. (all value figures

are based on an exchange rate of

$1.68 to the pound sterling.)

cd sales totaled 10.7 million units

worth $121.3 million- compared

with 3.7 million units worth $39.5

million in the prior 12 months -and

accounted for two -thirds of the

overall gain in trade value. at present growth rates, says the bpi, cd

sales for calendar 1987 will reach 20

(continued on page 79)

step-by-step explanation:

maybe i can

it is a secret for it not to be compromised sorry

step-by-step explanation: