What observational evidence do we have that some meteors are caused by debris from comets?
What will be an ideal response?
The meteoroids in a meteor shower are understood to be dust and debris released from the icy nucleus of a comet. When Earth passes through this stream of material, you see a meteor shower. In some cases the comet has wasted away and is no longer visible, but in other cases the comet is still prominent, although located somewhere else along its orbit.
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Use the following organisms to describe energy flow and nutrient cycling: fungal decomposer,
caterpillar, deciduous tree, and carnivorous bird.
What will be an ideal response?When newborn coastal garter snakes and newborn inland garter snakes are exposed to banana slug
chemicals, the coastal snakes responded by ____ while the inland snakes ____.
a. attacking; fled b. tongue-flicking; did not tongue-flick c. feeding; did not feed d. avoiding the stimuli; tongue-flicked e. ignoring the stimuli; performed threat displays
Swiss cheese production involves two fermentation stages
What will be an ideal response?
A compound that contains both carbon and hydrogen is ____
a. a salt b. always an acid c. non-biological d. organic e. inorganic