I believe that Calpurnia finds the food on the back porch.
Answer:
Earth, Mars
Explanation:
Earth is the only planet on which life is known to exist. Water on earth exists in all three forms
Presence of water on Mars was recently confirmed. Though liquid water is no more present, in solid form, water is present in polar ice caps.
C. Protons and electrons must be equal as protons have a + charge and electrons are - so they cancel out
Answer:
a complex series of feeding relationships with many organisms interacting and depending on each other
Explanation: