The combined mass of rock 1 and 2 = 19.28 + 25.3
= 44.58
Difference between rock 3 and combined rocks
= 46.3 - 44.58
= 1.72 grams
therefore, the third rock was 1.72 grams greater than the combined mass of the other two rocks.
Answer; B
they're bones allow them to lift them up in the sky.
Some species we see in Alaska and nowhere else in the Wolrd are:
Bats
Shrews
Bears
Seals
White Wolfs
Sea lions
Racoons
Walrus.
Bears, Seals, White Wolfs and Sea lions survive the cold weather much more than those other animals.
The summer solstice<span>, also known as midsummer, occurs when a planet's rotational axis, or geographic pole on either its northern or its southern hemisphere, is most inclined toward the star that it orbits. On the </span>summer solstice<span>, Earth's maximum axial tilt toward the Sun is 23.44°</span>