Answer the following question given this paragraph: Maintaining a high metabolic rate takes a lot of energy. The energy must come from food. Therefore, mammals need a nutritious and plentiful diet. The diets of mammals are diverse. Except for leaf litter and wood, almost any kind of organic matter may be eaten by mammals. Q: Maintaining a high metabolic rate takes a lot of what? Choices: - food - calories - fuel - energy A:
energy
(Question)
Answer the following question given this paragraph: Q: What is used to date older fossils? Choices: - search engines - litmus testing - electron microscopes - radioactive isotopes A:
(Answer)
radioactive isotopes
Ques: Answer the following question given this paragraph: A star like our Sun will become a red giant in its next stage. When a star uses up its hydrogen, it begins to fuse helium atoms. Helium fuses into heavier atoms like carbon. At this time the star's core starts to collapse inward. The star's outer layers spread out and cool. The result is a larger star that is cooler on the surface, and red in color. Q: What is our sun's next stage called? Choices: - blue giant - white giant - super nova - red giant A:
Ans: red giant
(Q).
Answer the following question given this paragraph: Whereas cystic fibrosis, Tay-Sachs, and phenylketonuria are all autosomal recessive disorders, achondroplasia is an autosomal dominant disorder. Achondroplasia is the most common cause of dwarfism in humans. Achondroplasia is a result of an autosomal dominant mutation in the fibroblast growth factor receptor gene 3 (FGFR3), which causes an abnormality of cartilage formation. FGFR3 normally has a negative regulatory effect on bone growth. In achondroplasia, the mutated form of the receptor is constitutively active (constantly "turned on") and this leads to severely shortened bones. Individuals with achondroplasia are heterozygous for the mutation (one mutant copy, one normal copy). Homozygous for the achondroplasia mutation is lethal prior to birth or shortly after birth. Q: What is the most common cause of dwarfism? Choices: - deformity - hypothyroidism - retinopathy - achondroplasia A:
(A).
achondroplasia
Ques:Answer the following question given this paragraph: Anions form when an atom gains electrons. Nonmetallic atoms typically gain enough electrons to obtain the same electron configuration as the nearest noble gas. All the elements in Group 17 have seven valence electrons, which are arranged into an outer configuration of n s 2 n p 5 . To achieve a noble gas configuration ( n s 2 n p 6 ), each of these elements needs to gain just one electron, resulting in an anion with a 1 charge. Similarly, Group 16 elements can obtain an n s 2 n p 6 valence configuration by forming ions with a 2 charge, and the Group 15 nonmetals will form ions with a 3 charge. Naming anions is slightly different than naming cations. The end of the element's name is dropped and replaced with the ide suffix. For example, when the chlorine atom (Cl) gains one electron, it becomes the chloride ion (Cl - ). This structure has the same electron configuration as the noble gas argon. Similarly, sulfur can gain two electrons to become the sulfide ion (S 2- ), which also has a noble gas configuration. Q: What forms when an atom gains electrons? Choices: - cations - bonds - crystals - anions A:

Ans:anions
Question: Answer the following question given this paragraph: Christopher Auyeung. Ions are created by the loss or gain of electrons . CC BY-NC 3.0. Q: What are created based upon the loss or gain of electrons? Choices: - crystals - atoms - hydrogens - ions A:
Answer:
ions