Q: Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from? Read this paragraph and choose the correct option from the provided answers: All organisms have the ability to grow and reproduce. To grow and reproduce, organisms must get materials and energy from the environment. Plants obtain their energy from the sun through photosynthesis , whereas animals obtain their energy from other organisms. Either way, these plants and animals, as well as the bacteria and fungi, are constantly interacting with other species as well as the non-living parts of their ecosystem. Choices: - tissues - proteins - ultraviolet rays - organisms A:
organisms

Q: What do you call reversible changes that do not change matter's chemical makeup or chemical properties? Read this paragraph and choose the correct option from the provided answers: A change of state occurs whenever matter changes from one state to another. Changes of state are physical changes in matter. They are reversible changes that do not change matter's chemical makeup or chemical properties. Choices: - potential changes - element changes - chemical changes - physical changes A:
physical changes

Q: The point in front of a mirror where the reflected rays intersect is known as what? Read this paragraph and choose the correct option from the provided answers: Some mirrors have a curved rather than flat surface. Curved mirrors can be concave or convex. A concave mirror is shaped like the inside of a bowl. This type of mirror forms either real or virtual images, depending on where the object is placed relative to the focal point. The focal point is the point in front of the mirror where the reflected rays intersect. You can see how concave mirrors form images in Figure below and in the interactive animation at the URL below. The animation allows you to move an object to see how its position affects the image. Concave mirrors are used behind car headlights. They focus the light and make it brighter. They are also used in some telescopes. Choices: - reflective point - boundary point - periodic point - focal point A:
focal point

Q: Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue? Read this paragraph and choose the correct option from the provided answers: In the nose, mucus and hairs trap any dust or other particles in the air. The air is also warmed and moistened so it won't harm delicate tissues of the lungs. Choices: - the tongue - the throat - the ear - the nose A:
the nose