Salty water is generally harmful ______ plants.A、forB、toC、withD、over

Which is NOT true of sparklers？ 查看材料A.They are harm

Generally it isnt harmful to our ears, when sounds are up to______.A．140 decibelsB．100 dec

Why is the night flight more harmful？A．Because it is not safer than daytime flight.B．Becau

In the longer span of the future, what is the most important in reducing harmful emissions

There is no harm in confronting our disorders or misfortunes. On the contrary, the attempt

Which of the following is NOT the harm of lacking