Antibiotics can be used to treat bacterial infections viral infections parasitic infections cold and flu

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?

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000