What are some chemical changes that happen in school?

Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.

What came first egg or chicken? and is tomato a vegetable or a fruit?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas