Identify which statement represents a scientific law.
a) black holes exist.
b) some numbers are more lucky than others.
c) energy can be neither created nor destroyed.
d) the core of the sun has a temperature of 14.5 million centigrade.

Organisms within a population must compete for resources to survive

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.

Wich organism obtains its energy from dead or decaying matter