Answer:
Scanning Electron Microscopes
Explanation:
The invading bullfrogs ARE HARMFUL. This is because, they cause decline in the population of the native species.
Decline in the population of the native species will throw the ecosystem into a condition of imbalance which will eventually affect all the living organisms that are living in that ecosystem.
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object
Saturn - Most visible rings
