What is the answer to 18 and 19 please help
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Answers: 3
Biology, 21.06.2019 20:00
Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport
Answers: 1
Biology, 21.06.2019 23:40
Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.
Answers: 1
Biology, 22.06.2019 00:10
How does natural selection change thephenotypes within a population over time?
Answers: 1
Biology, 22.06.2019 04:30
What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled
Answers: 2
Mathematics, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
History, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Social Studies, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Mathematics, 01.06.2021 17:20
Biology, 01.06.2021 17:20
History, 01.06.2021 17:20