1. On a train ride cross-country, the trees, buildings, and people appear to be speeding by the window. This is because the train is our
2. Scientists use the
system for making measurements.
3. Physical science studies the relationships between
Land
4. If 6.6 tyrannosaurs weigh 30,000 kg, then what does one tyrannosaur weigh?
5. For most activities, the
makes a handy frame of reference.
no

true                                                                                                       true true true true true true

the question isn't complete here so i can't right an answer '_'

is this a question? wassup

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.