Observation and investigate main problem disease
It may be a lake, a marsh, a spring or a glacier. This is where the stream starts. The source is the farthest point of the river stream from its estuary or its confluence with another river or stream. ... The farthest stream is called the headstream or headwater.
Answer:
Here are some examples of hypothesis statements:
If garlic repels fleas, then a dog that is given garlic every day will not get fleas.
Bacterial growth may be affected by moisture levels in the air.
If sugar causes cavities, then people who eat a lot of candy may be more prone to cavities.
Answer:
the organ system
the levels of organization go from
•cells
•tissues
•organs
•organ systems
•organisms
•population
•community
•ecosystem
•biome
•biosphere
