Choose an antonym for biodegradable.
plastic
perishable
green
indestructible
What would NOT be a topic that you would study in biology?
the life span of tree frogs
Earth's magnetic poles
how plants reproduce
the extinction of various species
Choose a synonym for philanthropist.
money
charity
donor
theif
Which statement is not true about photons?
They are extremely small and you cannot see them individually.
You can have light without photons.
Photons are an important part of the process called photosynthesis.
Without photons life as we know it wouldn't exist.
________________ : continent :: Philadelphia : city
Asia
America
country
Kansas