5: the parasite and the host need each other
Temperature-Thermometer
Mass-Balance
Length-Meter stick
Volume-Cylinder
Scientist can test this question
Answer:
b. earth was formed from a cloud of gas and dust spinning and moving some distance from the sun.
Answer:
If for example food becomes scares for a group of birds they must now eat something else. these birds have two different beaks on large for the food currently going becoming spars and the other just small enough for them to eat the smaller nuts and survive. The birds who can not eat the small nuts will die and then the small beaked birds will become more abundant.
Explanation:
