Answer:
D.tu
Explanation:
its the best way to talk when we are invited to tutear.
thanks...
Answer:
Scientists think the smallest black holes formed when the universe began.
Stellar black holes are made when the center of a very big star falls in upon itself, or collapses. When this happens, it causes a supernova. A supernova is an exploding star that blasts part of the star into space.
Scientists think super-massive black holes were made at the same time as the galaxy they are in.
Explanation:
this is from a NASA website so if you need more answers just follow the link provided :)
https://www.nasa.gov/audience/forstudents/k-4/stories/nasa-knows/what-is-a-black-hole-k4.html
Answer:
There are four major issues affecting the oilsands: declining price outlooks, market access, a reduction in investment and climate change pressures.
Explanation:
The environmental consequences of oil production from Alberta's tar sands are major, beginning with its effect on climate change. North America's transition to oil from the tar sands not only perpetuates, but actually worsens, emissions of greenhouse gas pollution from oil consumption.
Answer:
The cardinal directions
Explanation:
The North South East and West symbols are the four main points of a compass, they identify which way is North, South, East, and West
