Chemistry, 29.01.2020 05:55 Fatoucham1200
If mars is located an average of 228 million km from earth, and radio waves travel at 300,000 km/s, how many minutes does it take a communication to reach earth from mars ?
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Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
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Chemistry, 22.06.2019 01:00
Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.
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Chemistry, 22.06.2019 02:30
The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!
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If mars is located an average of 228 million km from earth, and radio waves travel at 300,000 km/s,...
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