Amber (tree resin or sap) Fossilization is most likely to contain *
O Insects and small animals
O
Dinosaurs
O Insects only
O Selected Genetic Mutants

is this a psat question, if so do not cheat try your best.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.