The US Constitution mandates a census every years. A.
five
B.
ten
C.
fifteen
D.
twenty

Please select the best answer from the choices provided

A
B
C
D

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.

What did hunter gathers do to alter the environment?

When plants use sunlight to make food, the energy of sunlight is