The train traveled 100km (50x2) down and then 375km (75x5) up. So the train is 275km (375-100) up from where it started.
<span>Well, there are five layers in the Earth's Atmosphere:
(In order from the inside out)
1) Troposphere
- This is where weather occurs.
2) Stratosphere
- This is the layer where jets fly, this is where jet-streams are found
3) Mesosphere
- Meso ("Middle") named because it is in the middle. This is where meteros burn up in the atmosphere.
4) Thermosphere
- Thermo ("Heat") Names because it is the hottest layer in the atmosphere. This is where the aurora borealis, or northern lights occur.
5) Exosphere
- Exo ("Outer") This is the outmost layer and it is where the atmosphere merges with outer space.</span>
Answer:
because you are just stuffing it into the ground making it easier to decompose dead minerals and other things.
Explanation:
Hope this helps!!!!!!!!!!!!
Answer:
they use to live
Explanation:
As they breath out carbon dioxide the plants take in the carbon dioxide and make air with it. Animals also use air to do their day to day things like eat.
Answer:
A
Explanation:
An isolated system can NOT exchange energy or matter with it's surroundings. This is why it is isolated.