A self-aldol or crossed aldol reaction REQUIRES a(n) . Group of answer choices strong acid only a very, very strong base, such as LDA (lithium diisopropyl amide), NaOH or LiOH won't work acid catalyst a strong base such as LiOH or NaOH

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull