The amount of gravity on mars. How much power is needed to slow it down enough for it to land safely. Also what angle to put it into mars orbit so it lands where the engineers know where it is going to land.
Answer:
to derive energy from the sun
Answer:
A swollen earlobe can be red, uncomfortable, and painful. The typical causes of earlobe swelling are infection, allergies, and trauma. While most earlobe injuries can be treated with over-the-counter medications and home remedies, you might want to see your doctor if your symptoms are really severe.Any injury to the earlobe can cause swelling — even an injury as minor as wearing earrings that are too tight. Along with swelling, injured earlobes may be painful and sore.
Explanation:hope this helped
It’s D . because , we’re living in we don’t need soil not everything needs soil to live .
<span>The ability to choose a mate does improve offspring fitness in fruit flies. The choice made by the female fruit fly is based on a recognition pattern of the male's ability to highlight its potency and "genes".
As a conclusion, the better the male's genes, the better the offspring's fitness.</span>