Answer:
the answer would be the 3rd answer
Explanation:
a half life is the time it takes for half of a radioactive substance to decay
I hope this helps :)
In the 1900s most immigrants came from western europe
Answer:
Well, on one hand, this is a good thing as negative effects of the high demand for wood such as deforestation can be minimised. This will also sustain the supply of wood for several applications. However, there could be negative consequences of propagating such genetically-modified trees, which were not stated or are not yet known. For instance, the trees could be extreme soil nutrient consumers—depleting soil nutrients at a faster rate than they can be replenished and rendering such soil infertile in a short period.
The Spanish scientist should bear in mind that the production of eggs of salmon is dependent on lots of factors apart from the temperature. These factors include type of water, nutrients, etc. If these factors are also set constant then, the scientist can expect the same result from his friend.
