Answer:
I think the answer is a and d
Explanation:
CFCs were phased out via the Montreal Protocol due to their part in ozone depletion. The atmospheric impacts of CFCs are not limited to their role as ozone-depleting chemicals. Infrared absorption bands prevent heat at that wavelength from escaping earth's atmosphere
No Problem
Answer:
True
True
Explanation:
Lactose transporter are not absent from the membrane before induction. They are already present in the cell membrane. Lactose requires some transport medium, for this reason protein acts as transport medium for the lactose.
The right options are;
are disease-causing microorganisms
can be fatal
A pathogens is any substance or organism especially microorganisms that are capable of causing diseases. Pathogens include; bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease. Pathogens can be fatal and can be treated. Pathogens are diverse and they occupy essentially every environment.