Which of the following is an example of a technological solution to a problem?
A) a community effort to pick up trash near a local pond
B) a process that cleans pollution from a local pond
C) warning sign that indicates a local pond is polluted
D) a legislative bill that imposes fines on companies that pollute

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria