What dose a kangaroo lack that mammals such as dogs and cats have

Answers

Answer 1

Answer: The answer is actually placenta

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According to the theory of plate tectonics, Earth’s surface is composed of many sections of crust and solid upper mantle. Forces within the Earth cause the sections, or plates, to move. Some of the plates converge while others diverge. Name two geological events that are associated with this type of activity.PLEASE HELP!!
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Bees fly from one flower to another and collect nectar. They turn this nectar into food. When a bee lands on a flower,pollen from the flower sticks to the bee's legs and body. When the bee visits another flower, some of the pollen from the first flower is left behind. This is one way that plants reproduce. What kind of relationship do bees and flowers share?

which term refers to the transfer of thermal energy through the rising of warm particles and sinking of cool particles in a fluid

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Convection. Think of a lava lamp. When the ball of wax is at the bottom, it heats up and floats to the top. When it cools from being away from the heat, it sinks back down.

Which organelle functions in modifying proteins after they are made on the ribosome? A. Golgi apparatus
B. Smooth endoplasmic reticulum
C.Rough endoplasmic reticulum
D. Ribosomes

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The answer is A) Golgi apparatus

What does compact bone do?

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If I remember correctly, compact bone is suppose to strengthen the bone.

Compact Bone is the heaviest, hardest type of bone in the body. lining cells : flat cells that make up and cover the outer layer of bones.

How do autotrophs get their food?I'm making up some old school work and I REALLY need this. Please and thank you

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Autotrophs make their own food by getting proteins from the sun.

One isotope of carbon has 6 protons and 8 neutrons. Which is the correct reference for this isotope?A. carbon-6
B. carbon-8
C. carbon-14
D. carbon-2

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The correct reference for the isotope of carbon that has 6 protons and 8 neutrons is carbon -14. (Solution: C)
Carbon-14, 14C, also referred toa as radiocarbon, is a radioactive isotope.Its atomic nucleus contains 6 protons and 8 neutrons.
It is used to estimate the date at which an organism died. The reason is because carbon-14 decays at this constant rate.

6 + 8 = 14 so the answer is 14

What is the tiny filtering unit in the kidney

Answers

the tiny filtering units in the kidney are the nephrons

Small amounts of blood is filtered through the nephrons in the kidney.

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