PLEASE I NEED HELP ASAPP. Jenny wants to determine if a new brand name washing detergent is better than her old detergent she washed ten dirty t-shirts with the new washing detergent and ten dirty tshirts with the old washing detergent. Identify which is the independent and dependant variable in this experiment?

amber has allowed scientists to study dna that has been preserved over millions of years.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

c. the initial amount of money placed in the savings account