A steppe is a large expanse of grasslands and few trees. So the choice of grassland with few trees would be your answer.
Good luck :)
Answer:

option c
Explanation:
given data:
Diameter of a star = 1,400,000 km
star distance from sun 
we know that
Angle is given as


we know that


SO, 


option c
Once had the highest deforestation rate in the world and in 2005 still had the largest area of forest removed annually.[1] Since 1970, over 700,000 square kilometers (270,000 sq mi) of the Amazon rainforest have been destroyed. In 2012, the Amazon was approximately 5.4 million square kilometres, which is only 87% of the Amazon's original state.[2]
Rainforests have decreased in size primarily due to deforestation. Despite reductions in the deforestation rate over the last ten years, the Amazon rainforest will be reduced by 40% by 2030 at the current rate.[3] Between May 2000 and August 2006, Brazil lost nearly 150,000 km2 of forest, an area larger than Greece. According to the Living Planet Report 2010, deforestation continues at an alarming rate. But at the CBD 9th Conference, 67 ministers signed up to help achieve zero net deforestation by 2020.
Answer:
an island
Explanation:
Am island is a landform completely surrounded by water.
Answer:
Planets orbit stars. Stars don't orbit around planets.
Explanation:
The Sun is one of the main stars- which has planets orbiting around it. Mars orbits the sun so it's a planet.