Answer:
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
The basic idea of a hypothesis is that there is no pre-determined outcome. ... A key function in this step in the scientific method is deriving predictions from the hypotheses about the results of future experiments, and then performing those experiments to see whether they support the predictions
The digestive and respiratory tracts include the pharynx. The pharynx is found at the back part of the throat and is connected to the mouth and the nasal cavity. It then extends to connect into the esophagus and larynx. The pharynx serves as passageway for air during respiration and food for digestion.
<span>H. floresiensis tended to be smaller than H. sapiens. In addition, they had much smaller heads and, therefore, smaller brains. Also, the species had a much more sloped forehead, shoulders that were more forward-leaning, and feet that were relatively large for their small body size.</span>
I'm assuming you mean the molecular compound
and it's name is Hydronium. Hope this helps :)
