A substance is found to contain only calcium and sulfur. How would you determine whether the substance is a compound or a mixture?

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.