Answer:
The answer is - It was not a controlled experiment
Explanation:
A control experiment can be defined as that in which the all variable is kept constant and intact and then used as a standard of comparison or measurement to the experimental component.The commercial showing several people initially struggling to balance without the wristband and then balancing fine with the wrist band is not a controlled experiment.
Answer:
B
Explanation:
It represents the greatest amount of cell differentiation for the newly formed organism.
Here all the organs and system get initiation and cell differentiate to form various organs.
Hello, that is a very good question!
Back then there was no such thing as 'birth-control', hence they never actually prevented pregnancies, of course there were services that provided 'different' penetration but that could also result in pregnancies.
The popular method of not giving birth [prevent pregnancy] was to kill the baby while still carrying [termination], in other words have a miscarriage.
There many various methods during that time (herbs, beating, old cloth hanger).
Hope this helped,
j548831
Answer:
una propiedad que varía y la otra que permanece constante cuando la onda pasa de un medio a otro. Las dos propiedades son: i) Longitud de onda ii) Frecuencia
Explanation:
Hope it helps :)
The answer would be decreases.
hope this helped :)
