Ques:If sharpening an object changes its look, then sharpening an object changes its what? Answer choices: - chemical makeup - cracks - Sight - smell - energy - color - look - cut

Ans:look
-----
Ques:If warm-blooded animals can stay active in cold by shivering, then which can help warm-blooded animals stay active in cold? Answer choices: - shivering - four limbs - Animal fur - sleep - sweating - hibernation - cold blood - fur seals

Ans:shivering
-----
Ques:If pesticides can cause the release of harmful substances into the environment, then which of the following can release harmful substances into the environment? Answer choices: - vehicles - cigarettes - fossil fuels - Thunderstorms - Photosynthesis - Pesicides - Tree sap - mines

Ans:Pesicides
-----
Ques:If people can be moved to islands in an airplane, then people can be moved where in an airplane? Answer choices: - outer space - oceans - the moon - islands - Pacific - germany - the sun - Mountains

Ans:
islands
-----