Biology, 23.10.2020 21:10 tylerj1133
Bella is designing a model of a longitudinal sound wave for her science classroom.
Which of the following pieces of information should Bella include in her model? Choose the two statements that apply.
A. Sound must travel through a material to transfer energy.
B. Sound must travel through a vacuum to transfer energy.
C. Rarefaction and compression are properties of longitudinal waves.
D. Crests and troughs are properties of longitudinal waves.
Answers: 3
Biology, 21.06.2019 21:50
What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron
Answers: 3
Biology, 21.06.2019 22:00
According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..
Answers: 1
Biology, 22.06.2019 01:00
Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.
Answers: 1
Bella is designing a model of a longitudinal sound wave for her science classroom.
Which of the fol...
Mathematics, 29.01.2021 14:20
Mathematics, 29.01.2021 14:20
Mathematics, 29.01.2021 14:20
English, 29.01.2021 14:20
Geography, 29.01.2021 14:20
Mathematics, 29.01.2021 14:20
Mathematics, 29.01.2021 14:20
Mathematics, 29.01.2021 14:20
Biology, 29.01.2021 14:20