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Andre45 [30]
3 years ago
12

Which properties are NOT commonly used to identify minerals? a . Streak B. Cleavage and fracture C. Hardness D. Solid

Biology
1 answer:
Westkost [7]3 years ago
5 0

Answer:

Cleavage and fracture are not commonly used to identify minerals

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Technological advancement of the society causes energy crisis in different parts of the world. one group of scientists has devel
Leviafan [203]

Limited installation sites best describes a drawback in the scientists' plan because tidal energy is not present everywhere.

<h3>Describes a drawback in the scientists' plan?</h3>

The big disadvantage of tidal power is that there are limited installation sites for it. It is expensive as well as the turbines can adversely impact the surrounding ecosystem.

So we can conclude that limited installation sites best describes a drawback in the scientists' plan because tidal energy is not present everywhere.

Learn more about energy here: brainly.com/question/13881533

#SPJ1

5 0
2 years ago
A single older adult who has been losing weight involuntarily may benefit from
anygoal [31]

A single older adult who has been losing weight involuntarily may benefit from participation in a congregate meal program.

 

To add, Congregate<span> and Home Delivered Meals is an individually designed service which provides meals to waiver participants who cannot prepare or obtain nutritionally adequate meals for themselves.</span>

6 0
4 years ago
Read 2 more answers
Would white fur color be an evolutionary advantage if the arctic circle began to resemble a temperate forest biome?
Firdavs [7]

Answer:

White fur is only an evolutionary advantage if the creature can hide in snow.

If you live in a temperate forest biome and want to hide from enemies, you wouldn't want fur that sticks out brightly against the dark forest.

Just like, if you lived in a snowy biome, you wouldn't want black fur that would stick out against all the snow.

So no, white fur is not an evolutionary advantage in a temperate forest biome

Hope this helps!

Explanation:

8 0
3 years ago
What happens to the temperature when the atmospheric co2 level increases in this model?
Arada [10]

Answer:

The temperature of the surrounding air increases when the atmospheric CO2 level increases.

Explanation: Carbondioxide gas is a very important gas in the environment but high amount of it cause damage to the organisms.

Carbondioxide gas is also called greenhouse gas because it has the ability to absorb or trap heat energy when the solar radiation goes into the space after hitting the earth surface. If the concentration of carbondioxide gas is increased, more heat energy will be trapped and thus increase occurs in the temperature of the atmosphere which results in global warming.

4 0
3 years ago
A couple planning their family are aware that through the past three generations on the husband's side a substantial number of s
Nesterboy [21]

Answer:

a) There are lots of genes on chromosome 1 could be affected, and the gametes could be imbalanced (missing segments of DNA or whole chromosomes)

b) Roughly 50%

c) No. I would advise that the couple undergo preimplantation genetic diagnosis, so that a zygote carrying the normal copy of chromosome 1 could be selected.

Explanation:

Chromosome 1 is one of the largest and most gene rich chromosomes. An inversion that covers 70% of its length would cover lots of genes.

While an inversion on its own would not seem problematic (as all the genes on the chromosome are still there), when it comes to meiosis, the sister chromatids would not be able to correctly align, and crossing over would further complicate this. It could also lead to unbalanced gametes missing entire parts of the chromosome. Therefore, there are likely numerous genes that will be affected and messed up by the inversion.

This could explain the high incidence of past still births, as if lots of genes are affected, and non-functional, the pregnancy would be rendered non-viable, or highly deleterious causing premature death.

b) There is a 50% chance of a child inheriting the defective copy of chromosome 1 (and 50% of a chance of them inheriting the normal chromosome 1. Therefore, there is likely a 50% chance that future offspring would be affected by defects

c) No. I would advise that the couple undergo preimplantation genetic diagnosis. In this, the couple undergoes in vitro fertilization (IVF). When embryos are produced through IVF, they can then be tested for the presence of the abnormal chromosome. Embryos will only be implanted into the mother if the normal chromosome 1 is present.

6 0
3 years ago
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