Which of the following statements is true? Cacti are found in the tropical rainforest.
All food chains start with the consumer.
Carnivores get their energy directly from the sun.
Decomposers add nutrients back to the soil.

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.