Biology, 29.10.2020 03:00 lildeb2778
25 POINTS HELP
... Select the correct answer from each drop-down menu. Complete the sentences to explain how photosynthetic organisms changed our lives on Earth.
The 1(carbon dioxide) 2(oxygen) 3(water vapor) 4(nitrogen) in the atmosphere that all living beings depend on was generated by cyanobacteria during the Archaean and Proterozoic eras. The presence of this substance is what makes 1(the water cycle) 2(visability) 3(photosynthesis) 4(combustion) possible on Earth.
Answers: 2
Biology, 22.06.2019 06:40, ethanmel21
The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3
Answers: 3
Biology, 22.06.2019 14:30, angelrenee2000
The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?
Answers: 1
25 POINTS HELP
... Select the correct answer from each drop-down menu. Complete the sentences to ex...
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