Answer:
Erythrocytes
Erythrocytes do not contain a nucleus. This would make answer choice "A" correct. Erythrocytes are red blood cells and these cells differ from the other cells of the body because of the absence of the nucleus. All the other cells noted have nuclei.
Explanation:
Have A Wonderful Day !!
Answer:
The hot water was better for removing the oil.
Explanation:
You can see that because the mass went down more with the hot water. So, that means that more oil was taken out of the feather with hot water.
Answer:
![\Large \boxed{\sf 34.2 \ g}](https://tex.z-dn.net/?f=%5CLarge%20%5Cboxed%7B%5Csf%2034.2%20%5C%20g%7D)
Explanation:
Mole ratio
![9:4](https://tex.z-dn.net/?f=9%3A4)
![1.75:x](https://tex.z-dn.net/?f=1.75%3Ax)
Moles of CO₂
![\displaystyle \frac{4 \times 1.75}{9} =0.78](https://tex.z-dn.net/?f=%5Cdisplaystyle%20%5Cfrac%7B4%20%5Ctimes%201.75%7D%7B9%7D%20%3D0.78)
Use formula to find mass
![\displaystyle moles=\frac{mass}{M_r}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20moles%3D%5Cfrac%7Bmass%7D%7BM_r%7D)
Relative molecular mass of CO₂ = 12 + 16 × 2 = 44
![\displaystyle 0.78=\frac{mass}{44}](https://tex.z-dn.net/?f=%5Cdisplaystyle%200.78%3D%5Cfrac%7Bmass%7D%7B44%7D)
![mass=34.2](https://tex.z-dn.net/?f=mass%3D34.2)
The answer would be A) sand, it is not soluble in water
Answer:
Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).
Explanation: