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Luba_88 [7]
4 years ago
7

Helppp please McGraw hill

Biology
2 answers:
vivado [14]4 years ago
5 0
The cold pack is endothermic because Energy is drawn in from the external environment, causing its surroundings to loose heat, or "cool down.
djyliett [7]4 years ago
3 0

Answer:

thanks for points

Explanation:

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Which statements about eclipses are true? CHECK ALL THAT APPLY.
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(1) X. Moons shadow creates solar eclipse.
(2) ✓
(3) ✓
(4) covered by the sun
(5)new moon
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4 years ago
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What is the difference between analogous and homologous structures?
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Analogous structures have different evolutionary ancestries but have the same function. some types of structures are the wings of birds, bats and insects. Homologous structures are the opposite, they have similar ancestries and common traits but not the same function.
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The Documentary, “Before the Flood,” was very informative. It was about
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It was about a discussion of the dangers of climate change and it's possible solutions (:
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3 years ago
The middle primary germ layer is called __________, which gives rise to a gelatinous material called __________, which then give
scoundrel [369]

Answer:

The middle primary germ layer is called <u>mesoderm</u>, which gives rise to a gelatinous material called <u>mesenchyme</u>, which then gives rise to different types of connective tissue such as bone, muscle, and blood.

Explanation:

The mesoderm is that intermediate germinative layer (also known as the intermediate embryonic leaf) of the three that have the embryos of tribal animals during the gastric or embryogenesis phase, the first stages of embryonic development.

From the mesoderm all types of connective tissue are formed, all types of muscle tissue, the skeleton, blood and lymphatic system, sexual organs, muscle mass, heart among others. The mesoderm interacts with the other two layers to form the mesenchyme, which is a type of connective tissue, which has significant amounts of extracellular matrix, is viscous and rich in different proteins, such as collagen.

8 0
4 years ago
You use a lamp and an orange to predict seasons based on Earth's revolution and axis tilt. Which best describes your investigati
joja [24]

Answer:

B. I tilt the orange towards the lamp to show why summer is warmer than winter in the Northern Hemisphere

Explanation:

Our planet earth is slightly tilted on its axis in such a way that the northern hemisphere is facing more towards the sun. As the north pole of earth is slightly tilted towards the sun, the sun rays strike directly to the surface of northern hemisphere. As a result of the greater efficiency of rays coming form the sun, the northern hemisphere experiences a warmer summer as compared to the winter. Thus tilting the orange towards the lamp will be an example to show the reason behind warmer summer in northern hemisphere.

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4 years ago
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