Tìm 3 dạng baid dựa vào lập công thức hóa học áp dụng quy tắc hóa trị

How substances move from a higher concentration to a lesser concentration?

In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion. A physical space in which there is a different concentration of a single substance is said to have a concentration gradient.How substances move from a higher concentration to a lesser concentration?

In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion. A physical space in which there is a different concentration of a single substance is said to have a concentration gradient.

Explanation:

a

explanation:

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current