Chứng minh bằng phản chứng: 1, Với mọi n là số tự nhiên nếu n chia hết cho 6 thì n chia hết cho 3
2, Cho abc thuộc R thỏa mãn điều kiện {a, b,c > 0
{ab+bc+ac > 0
{a+b+c > 0
Chứng minh: a, b,c cùng dương

Can someone check my answer? you : )

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species