Read the following paragraph from the section "Studying Sea Otter Habitat.
Islands without sea otters had huge urchins that littered the barren seafloor. The underwater
forests of kelp that once grew there had disappeared. The urchins consumed every kelp plant in
sight. "Our results were eye-opening," he says.
Which word from the paragraph helps the reader to understand the meaning of "barren"
(A)
huge
(B)
littered
(C)
disappeared
(D)
eye-opening

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.