How did Darwin use geographical distribution to help support his theory of evolution​

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Select all that apply. careful listening skills include: refraining from interrupting the speaker taking quality notes making an effort to understand maintaining eye contact with the speaker

Technology can bring both good and bad things. pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). give examples of both the good and bad