Which of the following best describes the pattern in the atmospheric CO, concentration data over the past 200,000 years? A The concentration of CO2 fluctuated between 150 ppm and 250 ppm.
B
The concentration of CO, fluctuated between 150 ppm dild 250 ppm until recently, when the concentration rose exponentially.
c) The concentration of CO2 remained constant at first from 200,000 years ago until 50,000 years ago, and then began a steady decline.
The concentration of CO, rose exponentially to 400 ppm and leveled off at carrying capacity.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra 2 math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this and anther one for days and if i get the 2 questions right i pass the class.

Often, leaders must be honest, even when what they have to say is not appealing or positive. explain why honesty is an important leadership quality.

Which of the following entities ensure that national security policies are carried out? check all that apply.