Conjugation is when genetic material is transferred from one bacteria to another via direct contact. Neither of these options are completely correct, but the more correct one would be the first.
The second answer is b. third answer is c
The nose, mouth, ears and eyes decide the entry of foreign particles. Little children mostly acquire it because mostly children put their hands or stick their tongues on nearby objects which are mostly infested with bacterias and pathogens, sometimes these particles are harmful and sometimes they aren't.
Hydra reproduce through a process called budding, where a tiny knob-like structure begins to grow. As it continues to grow, it falls off, producing a new hydra.
Answer:
H>D>G>J>A>E>I>B>F>C
H: DIAMOND
D: CORUNDUM
G: TOPAZ
J: QUARTZ
A: FELDSQUAR
E: APATITE
I: FLOURITE
B: CALCITE
F: GYPSUM
C: TALC
Explanation:
I found the full question on the test . Following is the complete answer
1. J>A>E and J>A>I
2. C is the softest. C is Talc
3. E>I ⇔ J>A>E>I
4. F>C
5. On the full question, B can scratch mineral F but it can be scratched by all the other minerals except C. B>F>C
6. H is the hardest. H is Diamond
7. D is Corundum
8. H>D>G>J
Combine all the information, we have the following:
H>D>G>J>A>E>I>B>F>C