Answer the following question given this paragraph: A large log placed in a fire will burn relatively slowly. If the same mass of wood were added to the fire in the form of small twigs, they would burn much more quickly. This is because the twigs provide a greater surface area than the log does. An increase in the surface area of a reactant increases the rate of a reaction. Surface area is larger when a given amount of a solid is present as smaller particles. A powdered reactant has a greater surface area than the same reactant as a solid chunk. In order to increase the surface area of a substance, it may be ground into smaller particles or dissolved into a liquid. In solution, the dissolved particles are separated from each other and will react more quickly with other reactants. Q: Why does a large log burn relatively slowly compared to the same mass of wood in the form of small twigs? Choices: - smaller blade area - larger surface area - larger surface area - smaller surface area A:
smaller surface area

Answer the following question given this paragraph: 6.6 The cytoskeleton is a network of fibers that organizes structures and activities in the cell. Q: What is the network of fibers that organizes structures and activities in the cell called? Choices: - enzymes - cytoplasm - DNA - cytoskeleton A:
cytoskeleton

Answer the following question given this paragraph: Probability is the chance that a certain event will occur. For example, the probability of a head turning up on any given coin toss is 50 percent. Q: What is it called when the chance that a certain event will occur? Choices: - mutation - difficulty - procession - probability A:
probability

Answer the following question given this paragraph: Some single-celled organisms such as bacteria can group together and form a colony. A colony refers to a group of individual organisms of the same species that live closely together. This is usually done to benefit the group, such as by providing a stronger defense or the ability to attack bigger prey. A colony can also form from organisms other than bacteria. A bacterial colony often defends from a single organism, producing a colony of genetically identical individuals. Q: What refers to a group of individual organisms of the same species that live closely together? Choices: - a enviroment - a flock - a habitat - a colony A:
a colony