Which clastic sedimentary rock is made of the smallest grains? 1) Conglomerate
2) sandstone
3) siltstone
4) shale

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

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.