Brandon is using a sink to fill up a 4 L container with water. If the sink pours 100 mL of water every second, how many seconds will it take to fill up the container? ​

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Is powdered sports drink ionic or covalent ? 10pts !

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.