What type of fusion occurs in a high-mass star near the end stages of its life cycle? helium burning cno cycle helium capture

In salt water solution, the salt is the blank

Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?

Determine type of reaction & predict the product c3h12+o2 =