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Serggg [28]
3 years ago
13

which of the following is an example of extrusive rock that has cooled too quickly for grains to form

Biology
1 answer:
Ilia_Sergeevich [38]3 years ago
7 0
The correct answer is<span> a. Volcanic glass

Volcanic glass is also known as Obsidian. It is formed when lava cools down too rapidly and crystals grow minimally, without grains.</span>
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Need the answer pls thx
Basile [38]

Answer: Males inherit only one X chromosome, so they show all traits on that one chromosome without another to mask them

Explanation: Males are born with XY Females are born with XX

8 0
3 years ago
What role does iodine play within the thyroid?
lesantik [10]
Iodine it is an element that is required for the thyroid gland to produce thyroid hormones.
The body does not produce iodine on its own so it needs to come from dietary sources like eggs, prunes bananas, shrimp, cod, etc or you can take supplements of iodine.
When you consume iodine it quickly absorbed and enters into your bloodstream and thenyour thyroid that has tiny cells that capture the circulating iodine and takes in and oxidizes it so it can begin to be used to create (T3) and (T4 which are thyroid hormones.
3 0
4 years ago
In mitochondria cristae act as sites for what​
nikitadnepr [17]

Answer:

Explanation:

The tubular or sheet-like cristae membranes are the main site of oxidative phosphorylation, harboring the complexes of the respiratory chain and the F1Fo-ATP synthase [5], [6], [7], [8], [9]. Fig. 1. Mitochondrial contact site and cristae organizing system (MICOS) in yeast.

4 0
3 years ago
Compare and contrast net energy, the net-energy ratio, and energy<br> efficiency
Lelu [443]
Net energy is the amount of that is actually useable from an energy resource. Net-energy ratio is the ratio of the amount of useable energy from a resource and the amount it takes to make that energy useful. ... An energy source with high energy efficiency provides a lot of work for the amount of energy used.
4 0
3 years ago
How would you describe symmetry in invertebrates?
vodomira [7]

Answer:

Invertebrates can have bilateral or radial symmetry, or they can be asymmetrical. Bilateral symmetry means that the animal is arranged in the same way on both sides. Radial symmetry means the body parts are arranged in a circle around a central point.

4 0
3 years ago
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