Biology, 11.10.2021 19:00 keenonwhite6801
Which of the following factors made the land a place where the first land plants could thrive? Select the two correct answers.
-evolution of animals
-low levels of oxygen in the atmosphere
-abundant sunlight for photosynthesis
-new, nutrient-rich soil made of cyanobacteria and deteriorating rock
Answers: 3
Biology, 22.06.2019 08:30
What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons
Answers: 1
Biology, 22.06.2019 08:30
The image below shows a weather service map. which details best describe this map? check all that apply
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Biology, 22.06.2019 17:30
Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil? a. sclerab. corneac. retinad. choroidthe answer is a sclera
Answers: 2
Which of the following factors made the land a place where the first land plants could thrive? Selec...
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