As far as I know, radioactive dating is the measure of radioactive substances in a fossil or something. Like the fossils have a radioactive substance in them, it is the only thing that can show how long the fossils been aging, therefore being able to show the date. And thats how radioactive dating works, and that is how a paleontologist uses it
The answer is b precipitation exceeds evaporation
Answer:
recycling used materials, planting more trees to keep the vegetation at a decent lvl ،putting restrictions on and over factories, etc...
Chondrichthyes share many characteristics with bony fish.
Some of the characteristics they share are:
• They are both vertebrates.
,
• They are cold-blooded
,
• Their hearts have compartments
,
• They have caudal fins or tail fins with two lobes.
,
• They belong to the Kingdom Animalia
