Pollination occurs when pollen grains from the anther land on a stigma. After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.
Answer:
The ways in which teen pregnancy can be addressed are as follows:
1. Special prenatal care is needed and health care centres should be visited frequently for a checkup.
2. The teen should also undergo tests for STD or Sexually transmitted diseases.
3. Toxic substances such as alcohol, tobacco, etc. should be avoided.
4. Eat a proper balanced diet and stay physically active.
5. The teen should be made aware of all the associated health risks and other factors associated with pregnancy.
Explanation:
I'm not sure but hope it helps.
The answer is D. Mechanical Energy to Chemical Energy
Answer is: <span>chemosynthesis.
</span>Difference between chemosynthesis and photosynthesis is: chemosynthesis is conversion of carbon molecules (CH₄ or CO₂<span>) into organic matter using the </span>oxidation of inorganic compounds (H₂, H₂S, CH₄) as a source of energy, while in photosynthesis organisms to use light energy as a source of energy.
C because the first step of the scientific method is to a hypothesis
