Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Arthropods and most mollusks have an open circulatory system. Given the two facts above, answer the question "What kind of circulatory system do arthropods have?" with the following options: - open - toads - closed - porous - fluid - H 2 O - tissue - koalas
open

(Question)
Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes can cause a tsunami. Given the two facts above, answer the question "What can be caused by a faulting of the earth's crust?" with the following options: - a hurricane - a hail storm - waves - graptolites - a tsunami - loose soil - river - erosion
(Answer)
a tsunami

Ques: Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Floods are the most common type of natural disaster. Given the two facts above, answer the question "what can cause animals to leave an environment?" with the following options: - mines - sunlight - wind - floods - trees - animal waste - chemicals - drought
Ans: floods

(Q).
Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Prokaryotes All bacteria are prokaryotes. Given the two facts above, answer the question "What are single-celled organisms that lack a nucleus?" with the following options: - barnacles - bacteria - Most plants - ferns - orchids - cacti - PDAs - Leeuwenhoek
(A).
bacteria

Ques:Fact 1: Macroevolution occurs over geologic time above the level of the species. Fact 2: Geologic time lines are expressed in geologic eras and periods. Given the two facts above, answer the question "macroevolution occurs over what, above the level of the species?" with the following options: - atmosphere - years - growth - outer space - stress - Joules - humans - eras

Ans:eras

Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Most of the heat for the Earth comes from the core. Given the two facts above, answer the question "What creates metamorphic rock?" with the following options: - gravity - calcite - Earth's core - engine - desire - a hydraulic system - forces - flow of electrons
Earth's core