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Sketch A shows two identical pulses traveling in opposite directions along a string, each with a velocity of 1.0 cm/s. After 4.0 s, the string will look like which of the other sketches?
Liverworts
Non-vascular plants belonging to the division Marchantiophyta, among the earliest land plants.
Dominant Sporophyte
A phase in the life cycle of plants and algae that is diploid and typically the most conspicuous and long-lived phase.
Ginkgos
A genus of highly unique trees known for their distinctive fan-shaped leaves; considered living fossils, as they have no close living relatives.
Gymnosperm
A group of seed-producing plants that includes conifers, cycads, ginkgo, and gnetophytes, which do not form flowers and fruits.
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