Knowing that the teenage brain rewards risk is: -a warning to make choices carefully.

-an excuse to make bad decisions.

-not relevant because parents make all decisions for their teens.

-a reason to lower the drinking age.

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

What is one function of the embedded proteins