Answer the following question given this paragraph: Have you ever gone swimming in the ocean? If you have, then you probably tasted the salts in the water. By mass, salts make up about 3.5% of ocean water. The table below shows the most common minerals in ocean water ( Table below ). The main components are sodium and chloride. Together they form the salt known as sodium chloride. You may know the compound as table salt or the mineral halite. Q: What are the two main minerals found in ocean water? Choices: - dioxide , chloride - quartz, carbon - carbon , chloride - sodium, chloride A:
sodium, chloride
(Question)
Answer the following question given this paragraph: Penguins are flightless birds that are strong swimmers and spend much of their time in the water. Q: What are flightless birds that are strong swimmers and spend much of their time in the water? Choices: - Emus - Ostriches - Cassowaries - penguins A:
(Answer)
penguins
Ques: Answer the following question given this paragraph: An increase in temperature of a gas in a rigid container increases the pressure. Q: What happens when an increase in temperature of a gas in a rigid container happens? Choices: - gas explodes - pressure decreases - container shrinks - pressure increases A:
Ans: pressure increases
(Q).
Answer the following question given this paragraph: Evolution of the Horse. The fossil record reveals how horses evolved. Q: What can be looked at to see a record of how horses evolved? Choices: - erosion records - carbon dating - pattern records - fossil records A:
(A).
fossil records
Ques:Answer the following question given this paragraph: There are many examples in the chemical world of changes in entropy. Phase transitions are one obvious example. When a substance makes a transition from the liquid state to the gaseous state, the particles have many more possible arrangements, because they are no longer confined to a specified volume in which they are close to each other; gas particles can move freely throughout their container. Vaporization represents an increase in entropy. In the opposite direction, a liquid loses entropy when it freezes to a solid. Because solids have very ordered structures, there are fewer possible arrangements of particles that would result in the properties associated with a solid. Q: The phase transition of a substance changing from a liquid state to a gaseous state is an example of what? Choices: - trichina - spirogyra - catostrophy - entropoy A:

Ans:entropoy
Ques: Answer the following question given this paragraph: Chromosome, gene, locus and alleles are all related. What is the different between a gene and a locus? Between a gene and an allele? Chromosomes are composed of genes located at specific loci. And genes have different alleles. If genes did not have different alleles, we would genetically be all the same. What does that mean?. Q: We would genetically be all the same if genes did not have different what? Choices: - atoms - antigens - bases - alleles A:
Ans:
alleles