A pedigree chart like this one is characteristic of
disorders.
A. dominant allelic
B. autosomal recessive
C. sex-linked dominant
D. sex-linked recessive

what school and grade?

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

"it built up in the atmosphere"

i think thats it, idk, i tried looking for this exact q& a for grad. and idk if i got this question right or sorry if im wrong