Cho 1 cm3 dung dịch mực in phun chứa 2.105 hạt dạng hình cầu có đường kính 10-6 m. Tính bề mặt tổng của các hạt mực trong 200 cm3 dung dịch mực in nói trên.

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption