Answer the following question given this paragraph: In radio broadcasts, sounds are encoded in radio waves by changing either the amplitude (AM) or frequency (FM) of the waves. The encoded waves are broadcast from a tower and changed back to sounds by radio receivers. Q: What changes encoded waves which are being broadcast into sounds? Choices: - transmitters - amplifiers - band receivers - radio receivers A:
radio receivers
(Question)
Answer the following question given this paragraph: Nearsightedness, or myopia, is the condition in which nearby objects are seen clearly, but distant objects appear blurry. The eyeball is longer than normal, focusing images front of the retina. Concave lenses can correct the problem. Q: What type of lenses can correct myopia? Choices: - polarized lenses - diffusion lenses - convex lenses - concave lenses A:
(Answer)
concave lenses
Ques: Answer the following question given this paragraph: Crossing charges. One method for obtaining subscripts in the empirical formula is by crossing charges. When crossing charges, you will sometimes find it necessary to reduce the subscripts to their simplest ratio to write the empirical formula. Consider, for example, the compound formed by Mg2+ and O2. Using the absolute values of the charges on the ions as subscripts gives the formula Mg2O2:. Q: Crossing charges is one method for obtaining what? Choices: - notations - superscripts - hybrids - subscripts A:
Ans: subscripts
(Q).
Answer the following question given this paragraph: Plants are the major producers in terrestrial biomes. They have five basic needs: air, warmth, sunlight, water, and nutrients. How well these needs are met in a given location depends on the growing season and soil quality, both of which are determined mainly by climate. Q: What broad group of living things serves as the major producers in terrestrial biomes? Choices: - vases - flowers - animals - plants A:
(A).
plants
Ques:Answer the following question given this paragraph: Segmentation evolved next. Segmentation is the division of the body into multiple parts, or segments. Both the earthworm (Phylum Annelida) in Figure below and ant (Phylum Arthropoda) in Figure below have segmented bodies. The earthworm has many small segments. The ant has three larger segments. Segmentation increases an animal's flexibility. It allows a wider range of motion. Different segments can also be specialized for different functions. All modern annelids and arthropods are segmented. Q: Earthworms and ants possess what type of bodies, which means division into multiple parts? Choices: - elongated - truncated - elliptical - segmented A:

Ans:segmented
Ques:Answer the following question given this paragraph: Unlike the sponges which evolved prior to cnidarians, the cnidarians are made up of true tissues. The inside of a cnidarian is called the gastrovascular cavity , a large space that helps the organism digest and move nutrients around the body. The cnidarians also have nerve tissue organized into a net-like structure, known as a nerve-net, with connected nerve cells dispersed throughout the body. Cnidarians do not have true organs, however. Q: What is a large space that helps the organism digest & move nutrients around the cnidarian body? Choices: - thorax - abdominal wall - vacuole - gastrovascular cavity A:

Ans:
gastrovascular cavity