1) most countries have outlawed whaling, but some countries have few or no laws protecting whales. why are conservation groups pushing for world-wide restrictions on whaling? a) whales are dangerous threats to fishing grounds. b) whale oil is desperately needed as fuel worldwide. c) unrestricted whaling could lead to their extinction. d) oceans are over populated with whales and their numbers need to be reduced or many will starve.

C) Unrestricted whaling could lead to their extinction.

Explanation:

The whaling is the process of hunting and killing whales so as to obtain the meat, oil and whalebone so that they can be sell out commercially. The trade of whale resources was initiated firstly in Spain and France in 16th century but have been spread worldwide.Therefore, the conservation groups worldwide are pushing the restriction on whaling as unrestricted whaling can lead to the complete extinction of the whale species from earth.

satellites are frequently used to make observations of the orbit on earth