Q: Eutrophication, or high levels of nutrients, can cause conditions that deprive fish of what vital gas? Read this paragraph and choose the correct option from the provided answers: High levels of nutrients, called eutrophication, can cause conditions that deprive fish of oxygen. Choices: - dioxide - hydrogen - nitrogen - oxygen A:
oxygen

(Question)
Q: Due to the time it takes for light to reach us, galaxies at the edge of the universe are distant in terms of space and what else? Read this paragraph and choose the correct option from the provided answers: The galaxies at the edge of the Universe are a great distance away. But they are something else that is distant. Because it takes so long for light from so far away to reach us, they are also very far back in time ( Figure below ). Choices: - gravity - temperature - energy - time A:
(Answer)
time

Ques: Q: What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy? Read this paragraph and choose the correct option from the provided answers: Lipids are biochemical compounds such as fats and oils. They consist of fatty acids, which may saturated or unsaturated. Lipids are used to store energy. They also make up cell membranes. Choices: - proteins - oils - tissues - lipids A:
Ans: lipids

(Q).
Q: What is the diversity of living things called? Read this paragraph and choose the correct option from the provided answers: Life on Earth is very diverse. The diversity of living things is called biodiversity . A measure of Earth's biodiversity is the number of different species of organisms that live on Earth. At least 10 million different species live on Earth today. They are commonly grouped into six different kingdoms. Examples of organisms within each kingdom are shown in Figure below . Choices: - degradation - life cycle - ecosystem - biodiversity A:
(A).
biodiversity

Ques:Q: What are the three main types of rocks? Read this paragraph and choose the correct option from the provided answers: A geologic map shows the different rocks that are exposed at the surface of a region. Rock units are shown in a color identified in a key. On the geologic map of the Grand Canyon, for example, different rock types are shown in different colors. Some people call the Grand Canyon "layer cake geology" because most of the rock units are in layers. Rock units show up on both sides of a stream valley. Choices: - limestone , igneous and metamorphic - plutonic, igneous and metmorphic - crystalline , igneous and metamorphic - sedimentary, igneous and metamorphic A:

Ans:sedimentary, igneous and metamorphic

Ques:Q: What is an electrically neutral compound with positive and negative ions? Read this paragraph and choose the correct option from the provided answers: Most of the rocks and minerals that make up the Earth's crust are composed of positive and negative ions held together by ionic bonding. An ionic compound is an electrically neutral compound consisting of positive and negative ions. You are very familiar with some ionic compounds such as sodium chloride (NaCl). A sodium chloride crystal consists of equal numbers of positive sodium ions (Na + ) and negative chloride ions (Cl ). Choices: - correlated compound - isotope - neutralized molecule - ionic compound A:

Ans:
ionic compound