Answer the following question given this paragraph: The sketch below shows how we see an image in a plane mirror. Plane mirrors work because the light rays create a virtual image behind the mirror. Light rays from the object strike the mirror and reflect according to the law of reflection. When some of the light rays enter our eye, our eye and brain interpret these rays as having traveled in a straight line path. Therefore, our eye and brain track the light rays backward to a position from which they appear to have come. At this position, we see an image. Q: Plane mirrors work because the light rays create what behind the mirror? Choices: - a mirror image - a entire image - a virtual example - a virtual image A:
a virtual image
(Question)
Answer the following question given this paragraph: An underwater earthquake creates a tsunami this way: the movement of the crust displaces water. The displacement forms a set of waves. The waves travel at jet speed through the ocean. Since the waves have low amplitudes and long wavelengths, they are unnoticed in deep water. As the waves reach shore they compress. They are also pushed upward by the shore. For these reasons, tsunamis can grow to enormous wave heights. Tsunami waves can cause tremendous destruction and loss of life. Fortunately, few undersea earthquakes generate tsunamis. Q: What type of earthquake creates a tsunami? Choices: - Tectonic - collapse - volcanic - underwater A:
(Answer)
underwater
Ques: Answer the following question given this paragraph: Q: The air bubbles resulting from cavitation expand and block water channels of the what? Choices: - heart - respiration - ectoderm - xylem A:
Ans: xylem
(Q).
Answer the following question given this paragraph: A third factor that affects the rate of dissolving is the size of solute particles. For a given amount of solute, smaller particles have greater surface area. With greater surface area, there can be more contact between particles of solute and solvent. For example, if you put granulated sugar in a glass of iced tea, it will dissolve more quickly than the same amount of sugar in a cube (see Figure below ). That's because all those tiny particles of granulated sugar have greater total surface area than a single sugar cube. Q: For a given amount of solute, do smaller particles have a greater or lesser surface area? Choices: - lesser - equal - neither - greater A:
(A).
greater
Ques:Answer the following question given this paragraph: Cells that are communicating may be right next to each other or far apart. In juxtacrine signaling , also known as contact-dependent signaling, two adjacent cells must make physical contact in order to communicate. Cell communication may also occur over short distances, which is known as paracrine signaling , or over large distances, which is known as endocrine signaling . Q: Cell communication that occurs over short distances is known as what? Choices: - hypersignaling - contraposition signaling - cell echo - paracrine signaling A:

Ans:paracrine signaling
Ques: Answer the following question given this paragraph: Embryonic Development (Weeks 48). Most organs develop in the embryo during weeks 4 through 8. If the embryo is exposed to toxins during this period, the effects are likely to be very damaging. Can you explain why? (Note: the drawings of the embryos are not to scale. ). Q: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period? Choices: - samples - faith - pain - organs A:
Ans:
organs