Answer the following question given this paragraph: Figure below shows a diagram of Mercury's interior. Mercury is one of the densest planets. Scientists think that the interior contains a large core made mostly of melted iron. Mercury's core takes up about 42% of the planet's volume. Mercury's highly cratered surface is evidence that Mercury is not geologically active. Q: What do scientist's believe mercury's core is mostly made of? Choices: - water - quicksilver - helium gas - melted iron A:
melted iron
(Question)
Answer the following question given this paragraph: 19.4 Community Ecology Communities include all the different species living in a given area. The variety of these species is referred to as biodiversity. Many organisms have developed defenses against predation and herbivory, including mechanical defenses, warning coloration, and mimicry. Two species cannot exist indefinitely in the same habitat competing directly for the same resources. Species may form symbiotic relationships such as commensalism, mutualism, or parasitism. Community. Q: Commensalism, mutualism, and parasitism are known as what type of relationships? Choices: - simple - peculiar - various - symbiotic A:
(Answer)
symbiotic
Ques: Answer the following question given this paragraph: Another type of lipid is called trans fat . Trans fats are manufactured and added to certain foods to keep them fresher for longer. Foods that contain trans fats include cakes, cookies, fried foods, and margarine. Eating foods that contain trans fats increases the risk of heart disease. Q: What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease? Choices: - Omega-3 fatty acids - fatty acids - cholesterol - trans fat A:
Ans: trans fat
(Q).
Answer the following question given this paragraph: If something is MULTIcolored, it has many colors. Q: Platinum and gold are useful materials for constructing circuits because of their ability to resist what? Choices: - Electricity - decomposition - nitrogen - oxidation A:
(A).
oxidation
Ques:Answer the following question given this paragraph: Asteroids are irregularly-shaped, rocky bodies that orbit the Sun. Most of them are found in the asteroid belt, between the orbits of Mars and Jupiter. Q: What two planets is the asteroid belt found between? Choices: - Jupiter and Earth - Mars and Earth - Jupiter and Saturn - mars and jupiter A:

Ans:mars and jupiter
Ques: Answer the following question given this paragraph: Each species has a characteristic number of chromosomes. Chromosomes are coiled structures made of DNA and proteins called histones ( Figure below ). Chromosomes are the form of the genetic material of a cell during cell division. See the "Chromosomes" section for additional information. Q: Each species has a characteristic number of what coiled structures made of dna and proteins? Choices: - genes - ribosomes - prokaryotes - chromosomes A:
Ans:
chromosomes