Q: Q: Cancer occurs most often in adults over what age? Read this paragraph and choose the correct option from the provided answers: Cancer occurs most often in adults, especially adults over the age of 50. The most common types of cancer in adults differ between males and females. Choices: - twenty - thirty - seventy - fifty A:
A: fifty

Q: Q: What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds? Read this paragraph and choose the correct option from the provided answers: The embryo, which begins as a flat sheet of cells, begins to acquire a cylindrical shape through the process of embryonic folding (Figure 28.14). The embryo folds laterally and again at either end, forming a C-shape with distinct head and tail ends. The embryo envelops a portion of the yolk sac, which protrudes with the umbilical cord from what will become the abdomen. The folding essentially creates a tube, called the primitive gut, that is lined by the endoderm. The amniotic sac, which was sitting on top of the flat embryo, envelops the embryo as it folds. Choices: - uterus - umbilical sac - epithelial sac - amniotic sac A:
A: amniotic sac

Q: Q: What is an element that tend to be malleable? Read this paragraph and choose the correct option from the provided answers: Metals tend to be malleable. This means that they can be formed into thin sheets without breaking. An example is aluminum foil, also pictured in the Figure below . Choices: - actinide - mixture - lanthanide - metal A:
A: metal

Q: Q: What is the use of technology to change the genetic makeup of living things for human purposes? Read this paragraph and choose the correct option from the provided answers: Treating genetic disorders is one use of biotechnology. Biotechnology is the use of technology to change the genetic makeup of living things for human purposes. It's also called genetic engineering. Besides treating genetic disorders, biotechnology is used to change organisms so they are more useful to people. Choices: - biological utility - biological engineering - genetic employing - genetic engineering A:
A: genetic engineering