Answer:
I think you should write down the words that you recognize.
Explanation:
The teacher= La maestra
a lesson=una leccion
(this can be an example)
I hope this helps
Answer:
The half life of an isotope is the time that an element take to reduce the half of the mass.
Explanation:
So for example,in the case of carbon 14, one gram takes 5730 years to reduce to 0.5 g, and then, it takes another 5730 years to be reduced to 0.250 g and so and so.
So depending the mass of the sample that you have, for example, a bone that weights 15 g, it will take 5730 years to have a mass of 7.5 g, and then 11, 460 years to have a mass of 3.75 g, and then 17,190 years to have a mass of 1.875 g, and so, and so.
Hope this info is useful.
Answer:
The 3rd choice.
Explanation:
Why because it means that you have to keep looking forward and not to back.
Cepíllate
Oro
Pintarse
Me despierto
Rápidamente
Salón de belleza
Te duchas
Nervioso
Un secador de pelo
Boda
2. Está (a)
3. Está (d)
4. Estamos (c)
5. Son (b)
6. Estas (a)
7. Son
8. Está
9. Es
10. Están
11. Es
Didn’t do 12 through 18 because I don’t know what reflexives are by name :)
19. Vestirme
20. Afeitarse
21. Prepararse
Sorry I didn’t answer the rest but hope it helped!