This vertical section of the soil shows four basic soil layers.
A. visible
B. important
C. necessary
D. horizonal
Giải bởi Vietjack
Đáp án D
vertical: theo phương thẳng đứng >< horizonal: theo phương nằm ngang
Fish only species that are not of concern, threatened or endangered.
We shouldn't complain about being poor many families are much worse off.
If you are not inside a house, you do not know about its leaking.
It's too far to ride to your grandmother's; you'd better take the bus.
Some couples see single women as a threat to their relationships.
