Match the pollution control method to its description. incineration
settling
composting
gas adsorption
Pollutants are captured through
contact with solid surfaces.
Solid pollutants are burned and
converted into harmless forms.
Microbes are used to convert organic
land pollutants into harmless forms.
Polluted water is allowed to stand still
for some time, until pollutants settle
at the bottom.

Which layer will become saturated first when rain falls?

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens