Answer fast last quiz for my subject

if three species of birds live in the same tree, what do you know about them?

a. they do not occupy the same niche.

b. they share the same niche.

c. none of them is territorial.

d. at least one of the three species is a predator.

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)