What can I do to forget my first love because I got heartbreak now pls tell anyone​

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective