A chemist reacts sodium metal (na) and chlorine gas (cl) to form salt according to the balanced chemical equation: na + cl → nacl. If the chemist has 35. 0 g na, what mass of chlorine must he or she use to react completely with the sodium? finally, solve (remember significant figures):.

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

The different forms of a gene for a given trait are called .

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.