When planning an oral presentation, you want to make sure to do all of the following except practice smiling while presenting. practice holding notes below your waist while presenting. present in front of friends or family. bring a timer to the presentation to keep on time.
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Chemistry, 22.06.2019 18:30, ashleymer384
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
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Chemistry, 23.06.2019 15:10, HannyBun
Certain types of organisms such as fireflies and anglerfish can produce light through chemical reactions in a process called bioluminescence. what kind of chemical reactions occur during bioluminescence? o a) exothermic ob) endothermic oc) recomposition od) decomposition
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Chemistry, 23.06.2019 23:00, keigleyhannah30
Water molecules are polar with ends that exhibit partial positive and negative charges. such opposite charges make water molecules attract each other through which type of bonds?
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Chemistry, 24.06.2019 03:30, ukyflyfl
Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting! upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. 1. what is the atomic number of this element? ¬¬ 2. what is the mass number of this element? 3. is this really a new element? explain your reasoning. 4. give the name and symbol for this 5. when the students discovered it, did they find a solid, a liquid, or a gas? explain your reasoning.
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When planning an oral presentation, you want to make sure to do all of the following except practic...
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