how many arthropods are at the bottom of each branch of the dichotomous key

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

A30 kg weight lies on top of a massless piston of area a = 0.01 m2 the exterior air is at a (constant) p =1 atm and t = 27 c. the interior gas is 0.4 moles of (ideal) n2 and it has initial temperature 27.00 degrees c. 1. what is the initial pressure in the interior? a. 29.4 kpa b. 130.7 kpa c. 101.3 kpa the next three questions concern what happens when an amount of heat q is slowly added to the interior, raising the piston by 1 mm and raising the interior temperature to 27.40 c

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