Q: What connects the fetus to the placenta? Read this paragraph and choose the correct option from the provided answers: The placenta allows nutrients and wastes to be exchanged between the mother and fetus. The fetus is connected to the placenta through the umbilical cord. Choices: - womb - fallopian tube - amniotic sac - umbilical cord A:
umbilical cord

Q: What is the name of film that polyester fibers form? Read this paragraph and choose the correct option from the provided answers: Polyester molecules make excellent fibers and are used in many fabrics. A knitted polyester tube, which is biologically inert, can be used in surgery to repair or replace diseased sections of blood vessels. PET is used to make bottles for soda pop and other beverages. It is also formed into films called Mylar. When magnetically coated, Mylar tape is used in audio- and videocassettes. Synthetic arteries can be made from PET, polytetrafluoroethylene, and other polymers. Choices: - layers - fabric - Softness - mylar A:
mylar

Q: Q: During which phase is the moon more than half lit but not full? Read this paragraph and choose the correct option from the provided answers: Before and after the quarter-moon phases are the gibbous and crescent phases. During the crescent moon phase, the Moon is less than half lit. It is seen as only a sliver or crescent shape. During the gibbous moon phase, the Moon is more than half lit. It is not full. The Moon undergoes a complete cycle of phases about every 29.5 days. Choices: - crescent - new - waxing - gibbous phase A:
A: gibbous phase

Question: Q: Peregrine falcons made an incredible recovery after laws were passed banning the use of what? Read this paragraph and choose the correct option from the provided answers: Government policies and laws are needed to protect biodiversity. Such actions have been shown to work in the past. For example, peregrine falcons made an incredible recovery after laws were passed banning the use of DDT. Choices: - Carbaryl - miticide - Acetamiprid - ddt A:
Answer: ddt

*Question*
Q: A plane mirror has a flat reflective surface and forms only which kind of images? Read this paragraph and choose the correct option from the provided answers: Most mirrors are plane mirrors. A plane mirror has a flat reflective surface and forms only virtual images. The image formed by a plane mirror is also life sized. But something is different about the image compared with the real object in front of the mirror. Left and right are reversed. Look at the man shaving in Figure below . He is using his right hand to hold the razor, but his image appears to be holding the razor in the left hand. Almost all plane mirrors reverse left and right in this way. Choices: - enlarged - spherical - reduced - virtual A:
**Answer**
virtual

Q: What describes how close an estimate is to a known standard? Read this paragraph and choose the correct option from the provided answers: Accuracy describes how close an estimate is to a known standard. Choices: - diversity - frequency - precision - accuracy A:
accuracy