Question

iv. The future of space travel is going to be.....
a. Bleak
a
O b. Bright
c. Highly disappointing
c
O d. Dangerous​

Answer 1

the future of space travel could be bright and dangerous which is highly disappointing

Answer 2

Explanation:

Long-term exposure causes multiple health problems, one of the most significant being loss of bone and muscle mass. Over time these deconditioning effects can impair astronauts' performance, increase their risk of injury, reduce their aerobic capacity, and slow down their cardiovascular system.