Is the gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the greenhouse effect and caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.

Which of the following correctly describes the appearance of muscle tissue found in the heart? (2 points) single-nucleus, non-striated, short cells single-nucleus, striated, branching cells multinucleated, non-striated, branching cells multinucleated, striated, long threadlike cells