How do many coal-powered factories change the environment?

a) by causing increased erosion

b) by releasing pesticides into the air

c) by releasing oil into the ocean

d) by causing acid rain

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?