Answer:
Explanation:
In Double replacement reactions there is the exchange of anions and cations.
So to predict the double displacement reactions you must identify the anions and cations to be exchanged.
Answer:
The first blank can be filled with tagging. One of the procedures for studying the movements, biology, and migration of animals is known as tagging of animals. Tagging is utilized to examine the long-range irregular and regular movements of animals and to identify their life-span. All kinds of mollusks, vertebrates, and insects can be tagged.
The second blank can be filled with designate their area as a national park. Designation of the areas as a national park is one of the methods of conserving animals, like a tiger.
Explanation:
I got two, but I could be wrong.