Answer:
b) 50kg
Explanation:
You simply use F=ma equation, newtons second law
We are given: F=500N a=10m/s^2 m=?
1) lets change F=ma to help us find the m, we divide both sides with the a so we get 
2) plug in the F and the a,
, where 
3) plug it in ur calculator and you should get 50kg
hope this helped :)
Human structure.........................
Answer:
Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develops within the deeper skin or body tissues and act as their protective covering.Explanation:
First step the biologist needs to make an observation in which to create a hypothesis.
<span>Archaebacteria, Eubacteria, Protista, Fungi, Plantae, and Animalia</span>