shayshayNaiy shayshayNaiy

03-06-2017
Biology

contestada

Which statement best describes how light travels?

Light, in a vacuum, travels at the same speed even if the light source is moving.
Light given off from a moving source will travel faster in a vacuum.
Light given off from a moving source will travel faster in air.
Light, in a vacuum, travels slower if the light source is moving.

Respuesta :

dr3askittles dr3askittles

03-06-2017

I believe it's the first one.

Answer Link

beatrizgr87 beatrizgr87

08-09-2018

The first one is the answer

Answer Link

Otras preguntas

You are studying the expression of the gene that appears to be under the control of three different transcription-control regions during mouse embryonic develop

The chromosomes we typically see in images are isolated from mitotic cells. These mitotic chromosomes are in the most highly condensed form. Interphase cells co

Walking a constant pace on flat ground, a hiker can cover M miles in 5 hours. On another day, if she walks again at this same pace on flat ground, how many mile

Given that k is a positive integer. Find, in terms of k, an expression for Sn, which is the sum of the integers from 2k to 4k inclusive

Which phrase correctly completes this sentence? _________ mañana tú y yo podamos ir al museo juntos. A. Ojalá que B. Cree que C. Digo que D. Pienso que

Which one of the following is not a possible output device for an ECM?(A) radiator fan relay (B) fuel pump relay (C) ignition module (D) EGR solen(E) transmissi

Julia is listening to her meteorology professor explain how to interpret images from Doppler radar. Because Julia's goal is to understand the information being

which of the following statements about the number line is true? A. numbers get larger as you move to the left on the number line B. number lines end with the

Why does Josephine get upset at her father's funeral? A. She is asked to choose whether to eat her fish fried or boiled. B. She thinks he'll be angry at her for

Rachel has a collection of 40 stuffed animals. 3/8 of the animals are bears and are dogs. How many bears and dogs does she have?