Classify the interactions as being direct or indirect competition. Two eagles fight over a
salmon carcass.
All the gray foxes in a habitat
prey primarily on penguins.
Two colonies of black ants
clash over a wasp.
Gray squirrels in an area rely
on nuts for food.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box

How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?