If a terrestrial ecosystem has a net primary production of 3,000 kcal/m2/yr and a cellular respiration rate of 2,000 kcal/m2/yr, what is the gross primary production for this ecosystem? 100 kcal/m2/yr 500 kcal/m2/yr 1,000 kcal/m2/yr 5,000 kcal/m2/yr

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Right anwser gets marked brainliest newton's discovery concerning how fast an object will change speed is the: 1st law 2nd law 3rd law universal gravitation

Iwould appreciate if someone could me.