Which describes a process where a precipitate is formed?
a. a solution of agno3 is added to a solution of cacl2 to produce solid agcl and a solution of cano3.
b. propane gas combusts to form co2 and h2o.
c. a solution of hcl mixes with a solution of ca(oh)2 to produce h2o and cacl2.
d. a solution of h2so4 mixes with a solution of naoh to produce water and na2so4.

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

Witch type of microscope is used to view very small cell components like proteins and dna?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.