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Luden [163]
3 years ago
8

What is the probability of flipping a coin twice and getting two heads?

Biology
1 answer:
KATRIN_1 [288]3 years ago
7 0
C. 1/4
punnet square is used for probable outcome of a cross so a.
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6. When humans first appear on Earth?
vaieri [72.5K]

Answer:

seven million years ago

Explanation:

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4 years ago
Many sources of water pollution are found within the home. What actions can you take to reduce water pollution?
mina [271]
- Running the dishwasher/dryer when they're full, refrain from when they only have one shelf of dishes.
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3 years ago
Members of the phyla Cnidaria and Bryozoa both have a circle of tentacles, which they use for feeding. Besides the difference in
vredina [299]

Answer:

Presence or absence of cilia/stinging cells.

Numbers.

Retractability.

Number of cells.

Explanation:

Apart from size difference, tentacles in Cnidaria and Bryozoa differs such that:

  • <em>The tentacles in Cnidaria have no cilia surrounding them while those of Bryozoa are ciliated. Instead of cilia, the tentacles in Cnidaria have stinging cells.</em>
  • <em>Tentacles in Cnidaria are fixed in number while the number may vary in Bryozoa.</em>
  • <em>Tentacles in Cnidaria are often retractable while retractability is not possible in Bryozoa.</em>
  • <em>Cnidaria tentacles are made up of multiple cells while those of Bryozoa are made up of single cells.</em>
8 0
3 years ago
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I just bombed this test and i have 1 retake left. please help!!
MatroZZZ [7]

Answer:

Hey!

Your answer is CO-ENZYME!

Explanation:

What do CO-ENZYMES do?

They are an organic (but not protein based) compound...they act in a reaction by assisting the enzymes to bind and react with another substance...this then makes the reaction even faster!

But they cannot ever work by themselves to catalyse a reaction!

<h2><u>I HOPE THIS HELPED YOU!</u></h2>
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* brain
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Neurons and other components come together to form nerve tissue
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The central nervous system runs through the body and consists of many parts
A human being has many different systems
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3 years ago
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