Layla was glad that she remembered to bring her flip-flops to the beach. It was a bright day and the sand was hot! But at night, she could take off her flip-flops and walk barefoot. Why was the sand much cooler at night than during the day?

A. There was more wind

B. There was no sunlight

C. There were fewer people

D. There were bigger waves

Plz help right away

One gene can influence trait(s). one trait can be determined by gene(s).

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Discuss the functions of epithelial connective nerviud and muscular tissues