Answer the following question given this paragraph: Most scientists who study dark matter think it is a combination. Ordinary matter is part of it. That is mixed with some kind of matter that we haven't discovered yet. Most scientists think that ordinary matter is less than half of the total matter in the universe. Q: Most scientists think that ordinary matter is less than half of the total matter in the universe; the remaining part includes what mysterious entity? Choices: - mystery matter - magic matter - cold matter - dark matter A:
dark matter
(Question)
Answer the following question given this paragraph: The pulmonary circulation carries blood between the heart and lungs. The systemic circulation carries blood between the heart and body. Q: The pulmonary circulation carries blood between what two organs? Choices: - heart and pancreas - kidney and heart - lungs and kidney - heart and lungs A:
(Answer)
heart and lungs
Ques: Answer the following question given this paragraph: John Haslam. The end of a pine tree branch bears the male cones that produce the pollen . CC BY 2.0. Q: The end of a pine tree branch bears the male cones that produce what? Choices: - the ovaries - oxygen - the stigmas - the pollen A:
Ans: the pollen
(Q).
Answer the following question given this paragraph: We can also consider the reverse reaction in the above equation. In that reaction, the ammonium ion donates a proton to the hydroxide ion. The ammonium ion is a Brnsted-Lowry acid, while the hydroxide ion is a Brnsted-Lowry base. Most Brnsted-Lowry acid-base reactions can be analyzed in this way. There is one acid and one base as reactants, and one acid and one base as products. Q: The ammonium ion is what type of acid? Choices: - normal -lowry - kaon - lowry - oxidized - lowry - brnsted-lowry A:
(A).
brnsted-lowry
Ques:Answer the following question given this paragraph: Homologous chromosomes form a pair, one from each parent. Homologous chromosomes are similar in size and shape, and contain the same genes, though they may have different alleles. Alleles are alternative forms of the same gene. This diagram represents two pairs of homologous chromosomes. Q: What are different forms of the same gene? Choices: - genomes - peptides - nuerons - alleles A:

Ans:alleles
Answer the following question given this paragraph: Infectious diseases are diseases that are caused by pathogens. Human pathogens include bacteria, viruses, fungi, and protozoa. Different pathogens spread in different ways. Pathogens may spread through contaminated food or water, sexual contact, droplets in the air from coughs or sneezes, contaminated objects or surfaces, or vectors. Q: What type of disease is caused by pathogens? Choices: - viral diseases - nervous diseases - autoimmune diseases - infectious diseases A:
infectious diseases