Question 3 of 25 Matter can undergo chemical reactions and nuclear reactions. Which feature
of the components only stays the same in chemical reactions?
A. Chemical bonds between atoms
B. Number of compounds
O
C. Types of compounds
O D. Numbers of atoms

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air

Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign