You’ll need protective eye wear incase it boils and gets in your face. and a graduated cylinder to measure 50mL and a thermometer so you can make sure it is 60°C. so the correct answer is (2)ruler
Water, carbon, and nitrogen
The answer is population I think
The course of action is performing a series of 5 back blows by kneeling to the side and just behind the 15 month old. <span> Place your arm across the chest for support. Bend the child over at the waist in order that the upper body is in ground parallel . exhibit five separate back blows in between the child's shoulder blades with assistance of the heel of your hand, then apply </span>5 chest thrusts or the <span>Heimlich maneuver</span>. This a first aid for choking and the signs and symptoms exhibited by the 15 month old is choking.
Plants such as Moss, Venus Fly Traps, Corpse Lily, Flowers pretty much plants. Things that can produce their own food from sunlight.