Which of the following is not an example of energy transfer? O Riding a bike down a hill.

O Pushing a desk across a room.

O Sliding a table across a floor.

O Holding a sign in the air.

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Alandscaper is shopping for landscaping materials. she wants to use materials through which water flows easily. which materials should she choose? check all that apply. clay gravel granite rocks with cracks loosely packed soil