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bonufazy [111]
3 years ago
8

Fragments of volcanic rock and ash that build up to form cinder cones are known as

Biology
1 answer:
andrey2020 [161]3 years ago
5 0
They are known as scoria.
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5. The "largest shovel of its kind in the world" can shovel how much dirt in an
pishuonlain [190]

Answer:

a. 7000 tons

Explanation:

Big Brutus is the world's largest electric shovel. It stands 16 stories high amid the fields of rural southeast Kansas. The coal strip mine it helped clear of rock and dirt has long been shut down, and Brutus has been turned into a museum.

The Bucyrus RH400, now owned by Caterpillar, is said to hold the title of the world's biggest hydraulic excavator. This monster is a front shovel excavator and weighs in at around 980 tonnes. This mine chewer has an undercarriage width of 8.6 meters and crawler length of 10.98 meters.

Big Brutus' bucket could lift 150 tons of coal, and worked at a speed of 0.22 MPH, 24 hours a day,and 7000 tons per hour.

7 0
3 years ago
imagine that you have crossed two types of peonies, one with purple flowers and long stems, and the other with white flowers and
Misha Larkins [42]

After crossing over of peonies, one with purple flowers and long stems, and the other with white flowers and short stems we will get the number of offspring 83 with purple flowers and short stems; 29 with purple flowers and long stems; 26 with white flowers and short stems; and 9 with white flowers and long stems.

A dominant allele is one that nullifies the effects of a recessive allele. The allele that is covered up by the dominant allele is known as a recessive allele.

This shows that a plant with purple flowers and long stems is carrying a dominant allele that masks the effect of the recessive allele in a plant with white flowers and short stems.

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6 0
1 year ago
The mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 mc024-1.jpg 1023.
marin [14]
The mass of one atom of carbon in the correct number of significant figures is 1.99×10-²³. There are four significant figures each in both the atomic mass of carbon (12.01 g) and Avogadro's number, so the answer must also have 4 significant figures. The operation is shown below:

<span>12.01 / (6.022x10²³) = 1.994x10</span>₋²³<u />
5 0
3 years ago
Read 2 more answers
Explain three ways in which pesticides find their way to our waterways
gizmo_the_mogwai [7]

Answer: The reason why pestisides are found in our water is because the government and farmers put some type of chemical on the plants and in the water so animals like worms or bugs dont drink or eat our food and water supply.

4 0
3 years ago
BRAINLEST!!! HELP ASAPPP
OLEGan [10]

Answer:

Si existe variación en el acervo genético de la población, esto permite que la selección natural actúe sobre los rasgos de la población que permiten la adaptación al ambiente cambiante. Cuanta más diversidad hay en una población, mayor es la probabilidad de que la población pueda adaptarse a los nuevos cambios.

Explanation:

6 0
3 years ago
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