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victus00 [196]
2 years ago
9

What causes static electricity?​

Biology
1 answer:
ki77a [65]2 years ago
6 0
It’s the result of an imbalance between negative and positive charges in an object. Hope I helped.
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53 The plants in an ecosystem produce food
Finger [1]

Answer:

The plants in an ecosystem produce food  for most of the other organisras that live in  that ecosystem. The role of a plant in its  ecosystem is its <em>trophic level</em>

Explanation:

Plants are the least to be found in the trophic level, they are otherwisely called <em>autotrophs. </em>They make food for themselves while others among the trophic level depend on them

6 0
3 years ago
For two autosomal dominant genes, what is the probability that a cross between two heterozygotes (i.e. AaBb x AaBb) will produce
oksian1 [2.3K]

Answer:

1 in 16

Explanation:

When two heterozygotes (AaBb x AaBb) for two autosomal genes are crossed the expected probability for the offspring is 9 A-B-, 3 A-bb, 3 aaB- and 1 aabb. In other words, out of sixteen offspring, 9 are expected to be dominant on both genes (either homozygous AA or BB or heterozygous Aa or Bb), 3 are expected to be dominant on the A gene but recessive on the b gene, 3 are expected to be recessive on the a gene but dominant on the A gene, and only 1 is expected to be recessive on both genes aabb.

7 0
3 years ago
When enzymes are elongating (building) a newly synthesized dna strand in pcr, new nucleotides are being added to the ____ of the
Tamiku [17]
The correct answer is c. 3 ' hydroxyl of deoxyribose.  
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During the DNA synthesis via PCR, polymerization occurs in 5’-3’ direction. This means that enzyme DNA polymerase which synthesizes a new DNA strand is complementary to the DNA template strand (3’-<span>5’ direction). 5’ phosphate group of the free nucleotides which are added is attached to the 3'-hydroxyl group at the end of the elongating DNA strand.</span></span>
3 0
3 years ago
Read 2 more answers
In a population of beetles, some are green, some are brown, and some are mixed. If the beetles live in vegetation, the ________
MAVERICK [17]

The answer would be brown because all the other beetles have some sort of camouflage while the brown beetle sticks out in all of that green. Hope this helps. :)

5 0
3 years ago
Read 2 more answers
A substance has a volume of 20 mL and a density of 2.5 g/mL. What is its mass? 0.125 g
KATRIN_1 [288]
The answer would be D) 50 g
4 0
3 years ago
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