Answer:
Liquids have an indefinite shape, while solids have a definite shape.
metals (left side of periodic table) become positive ions so calcium would be the answer
Answer:
Predator-prey relationship
Explanation:
A predator prey relationship is one in which interactions usually with consequential effects occurs between two different species. One species usually feed on the other. The species being fed on are the prey while the species being fed is the predator. In this context, the prey is the ant and the predator s are the ant lions.