Which is an example of Temporal Isolation?

Chemistry

2 answers:

Lesechka [4]3 years ago

7 0

Answer:

a.) Flowers that bloom in different months

Explanation:

Hello,

Temporal isolation is exposed when two populations are isolated by cause of when they do perform actions according to their instinct. This is considered as large a difference as mating seasons and as small a difference as what time of day they are active. Isolation makes it less likely for two populations to reproduce together, that's why flowers that bloom in different months is a clear example of this biological event.

Best regards.

kati45 [8]3 years ago

4 0

Answer:

A. Flowers that bloom in different months

Explanation:

Nature has a way of preventive the interbreeding of closely related species and temporal isolation is one of them. When species reproduce at a different time there is little chance of hybridization (intermixing) between two related species. Since this process occurs before the mating it is also termed as pre-mating isolation.

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14. Compare between the plasticity of edge and screw dislocations in BCC metals 15. Why does a screw dislocation in a BCC metal

Alenkasestr [34]

Answer:

14) The edge dislocation is more plastic than the screw dislocation

15) So as to form kinks that are fast moving

Explanation:

14) Edge and screw dislocations are the two main types of mobile dislocations

The three dimensional core of the screw dislocation prevents the slipping of the layers (one over the other) in a BCC metal such that kinks are required to be formed first by thermal activation (heating) in order. The kinks are edge dislocation that move such that the screw dislocation moves forward

Hence, the edge dislocation is more plastic than the screw dislocation

15) The three dimensional structure of a screw dislocation acts like a wedge which resists the slipping of the layers in the BCC structure such that the screw dislocation needs to be highly thermally activated forming kinks before the surrounding layers can move.

4 0

3 years ago

Ammonium phosphate is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid with ammonia . Wha

Dmitry [639]

Answer:

7.5 g

Explanation:

There is some info missing. I think this is the original question.

<em>Ammonium phosphate ((NH₄)₃PO₄) is an important ingredient in many fertilizers. It can be made by reacting phosphoric acid (H₃PO₄) with ammonia (NH₃). What mass of ammonium phosphate is produced by the reaction of 4.9 g of phosphoric acid? Be sure your answer has the correct number of significant digits.</em>

<em />

Step 1: Write the balanced equation

H₃PO₄ + 3 NH₃ ⇒ (NH₄)₃PO₄

Step 2: Calculate the moles corresponding to 4.9 g of phosphoric acid

The molar mass of phosphoric acid is 98.00 g/mol.

$4.9 g \times \frac{1mol}{98.00g} = 0.050mol$