Answer:
in science Observation is essential in science. Scientists use observation to
collect and record data, which enables them to construct and
then test hypotheses and theories . Scientists observe in many
ways – with their own senses or with tools such as microscopes,
scanners or transmitters to extend their vision or hearing
Carbon dioxide and methane.
Levene proposed the polynucleic model, stating that DNA and DNA were composed of nucleotides.
Carrying capacity is the ability of an area to support a population using earth's natural resources. Things like food and water.