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iren2701 [21]
3 years ago
10

Please help thank you

Biology
1 answer:
Bingel [31]3 years ago
8 0
I believe it’s the first, third and fourth ones. I might be wrong and I’m sorry if I am.
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Which flower part is formed from fused carpels
zhannawk [14.2K]
That'd be the sepal, which is actually protected by the pedals, therefore, the answer is sepal. I hope this helps!
6 0
4 years ago
bacteria culture starts with 400 bacteria and grows at a rate proportional to its size. After 4 hours, there are 9000 bacteria.
yawa3891 [41]

Answer:

A) P = P_0 e^{rt}

B) 19564

C) 5.5 or 6 hours

Explanation:

A) The formula that can be used for bacteria after "t" hours is

P = P_0 e^{rt}

Where ,

P represents the population after "t" hours

P_0 represents the initial population.

r represents the rate of growth of population

t represents the time taken by the population to grow

B) Here let us first find the rate of population growth.

9000 = 400 * e^{r*4}\\3.11 = r* 4\\r = 0.778

Thus, the population of bacteria after 5 hours

P = 400 * e^{0.778 * 5} \\P = 400* 48.91\\P =  19564\\

C)

30000 = 400 * e^{0.778 * t) \\\\4.317 = 0.778 * t\\t = 5.549\\or t= 5.5 or 6

7 0
4 years ago
what formations would most likely be found at the boundary between the nazca plate and the pacific plate? select two answers A.
Ket [755]

Answer:

D

Explanation:

because the plates make mountains

4 0
3 years ago
The graph is evidence that Earth's energy budget is
serious [3.7K]
B. Unbalanced because temperatures are rising
5 0
3 years ago
Meiosis is important in reproduction because it creates genetic diversity in the population.
vagabundo [1.1K]

Answer:

True

Explanation:

Meiosis can be described as a type of cell division in which four daughter cells are produced. The number of chromosomes in each of the daughter cells formed is half the number of chromosomes of the parent.

During this type of cell division, the processes of homologous recombination and crossing over occur. During crossing over, segments of DNA are exchanged between the homologous chromosomes due to which genetic diversity occurs.

6 0
3 years ago
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