Investigations or experiments help to build scientific knowledge through the findings that these experiments or investigations help to build. The body of knowledge is created through the work of numerous individual and team scientific investigations and experiments into unknown phenomenon. This work culminates in helping to build scientific knowledge.
Answer:
C :natural gas
Explanation:
Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases (methane, nitrogen, carbon dioxide etc) are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid & liquid hydrocarbons beds like coal and crude oil. Also it's an item for natural resource.
Answer: classical conditioning
Explanation: Phobia are acquired through classical conditioning and maintained via operant conditioning, Carlos acquired the phobia because of his encounter with the bear thus, classical conditioning way of acquiring phobia. The operant conditioning of the Carlos's phobia is due to the fact that he still avoids bears i.e he keeps or maintained his phobia.