What body system, respiratory system
Circulatory system
Digestive system
Nervous system

Affects ulcer disease and heartburn.

Please do this quick it is due please. I will make brainlest and give out extra points

Affects ulcer disease and heartburn.

Please do this quick it is due please. I will make brainlest and give out extra points!

What happens to the light rays when they hit the specimen?

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.