Posted by Mandy on Tuesday, January 21, 2014 at 12:12pm.
Can someone please please help me? I don't have a text book, i have a online book and it isn't working. Can someone please be nice and help me? Science isn't my subject!
1. Why is Earth’s temperature just right for life? (1 point)
Earth’s core is hot enough to heat Earth’s surface.
Earth’s magnetic field creates suitable temperatures on Earth’s surface.
Earth’s crust is warmed by heat from the sun.
Earth’s atmosphere traps heat from the sun, which makes Earth’s temperature suitable for living things.
2. Which of the following statements accurately explains how Earth’s atmosphere supports life? (1 point)
Earth’s atmosphere contains 78 percent oxygen, which is essential for life.
Earth’s atmosphere contains 21 percent oxygen, which many life forms need to survive.
Earth’s atmosphere contains more oxygen than carbon dioxide.
Earth’s atmosphere contains carbon dioxide, which all life forms breathe in.
3. What is the relationship between Earth’s surface features and Earth being called the “blue planet”? (1 point)
Clouds in Earth’s atmosphere can sometimes appear blue when viewed from space.
Water on Earth’s surface appears blue when viewed from space.
The sky is actually blue.
Oxygen in Earth’s atmosphere appears blue when viewed from space.
4. Which of the following statements best explains why Earth’s place in space is suitable for life? (1 point)
Earth is the smallest of the outer planets, making its temperature just right for life forms.
Earth is the third planet from the sun, and its distance from the sun is just right.
Earth is the second planet from the sun and is a medium-sized inner planet.
Earth is the largest and innermost planet in the solar system; the sun keeps Earth’s temperature warm.
- Science - Anonymous, Tuesday, January 21, 2014 at 12:41pm
Study it. We don't give out answers here. We only check your answers, sorry.
- Science - Anonymous, Tuesday, January 21, 2014 at 3:38pm
did you figure it out?
- Science - kendia, Friday, September 12, 2014 at 10:43am
earth is the smallest of the outer planets making its temperature just right for life
- Science - Fuyuko, Wednesday, September 17, 2014 at 11:04am
For question 1 it's D.
For question 2 it's B.
For question 3 it's B.
For question 4 it's B.
- language arts - robert, Wednesday, October 29, 2014 at 11:17pm
3. What inference can you make about Jo based on the selection? (1 point)Jo is adventuresome and enjoys traveling to new places.
Jo is afraid of activities in the water.
Jo is worried about what other people think of her.
Jo is quiet and shy around new people.
- Science - Connexus User, Thursday, November 20, 2014 at 7:57am
@Fuyuko is correct!(: Just got a 100%. Thanks.!
- Science - jacob, Tuesday, December 2, 2014 at 12:38pm
@Fuyuko your amazing i got 100%
- Science - Anon, Thursday, December 4, 2014 at 11:32am
Fuyuko is correct.
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