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Anestetic [448]
3 years ago
14

Mattie found a tool that her dad left in the yard. A picture of the tool is shown below.

Biology
2 answers:
Paraphin [41]3 years ago
8 0
The answer is D because it is something that can be tested and proven right or wrong
oksano4ka [1.4K]3 years ago
5 0

Answer:

b

Explanation:

The answer is B becuase "where do people buy tools is not a scientific question, and neither is C.

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It is impossible for sperm to be functional (able to fertilize the egg) until after ________. Group of answer choices
lesya692 [45]

Answer:

The answer is "they undergo capacitation"

Explanation:

Sperm migrate through uterine contractions and the energies of its flagella to the uterine tube. In sperm motility, reverse peristalsis is engaged in the uterus and uterine tubes. For a sperm cell to fertilize an egg, it takes approximately 24 hours. The surface of the egg changes as the sperm penetrates the egg, therefore no sperm is allowed within. The kid is fully genetic, including whether it's a boy or a girl at the time of fertilization. Until they are trained it is difficult for sperm to be working.

8 0
3 years ago
Which of these is a biotic factor in a forest
lara31 [8.8K]

Answer:

trees

Explanation:

8 0
2 years ago
Read 2 more answers
I need help with this astronomy problem thanks? Imagine a photon of light traveling the different paths in the Milky Way describ
Slav-nsk [51]
Longest to Shortest:

<span>across the diameter of the galactic halo -  200,000 light years
</span><span>across the diameter of the galactic disk -  100,000 light years
</span><span>from the sun to the center of the galaxy - 26,000 light years
</span><span>across the diameter of the central buldge - 20,000 light years
</span><span>through the disk from top to bottom - 1,000 light years.</span>

3 0
3 years ago
What is the sequence of cases on dna strand b from left to right? (See picture)
Bas_tet [7]

Answer:Dna template- 5' ACTCCTGAA 3'

3' TGAGGACTT 5' complementary base

Explanation: Dna consist of a double stranded helix structure. Replication occurs to make extra copies of DNA strand. The DNA strand use to make extra copy is the template strand while the mirror image is the complementary base.

Replication occurs in 5' to 3' direction.

For complementary base in DNA Adenine complement thyamine

Cytosine complement Guanine

i.e A-T

C-G

Hence the complementary base in 3'-5' direction is 3' TGAGGACTT 5'

6 0
3 years ago
Which statement correctly describes the process that occurs in the thylakoid? ATP is produced in the thylakoid during light-inde
Sloan [31]

Answer:B

Explanation:

i did it on study island

7 0
2 years ago
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