B) Microscope & hand lens.
Microscope are used to see things far away, and hand lens are used to see things up close and magnify them.
Answer:
a. Gametophytes of bryophytes
d. Sporophytes of seedless vascular plants
Explanation:
Bryophytes are non-vascular plants. The plant body is haploid gametophyte which is its dominant phase and bears sex organs. The gametophyte may be leafy as in moss and may be with thalloid as in liverworts.
Pteridophytes are seedless, true vascular plants. The plant body is the diploid sporophyte. The sporophyte is differentiated into true leaves, stem and roots.
Answer: The West coast region has the fewest thunderstorms per year
Explanation: Oregon, Washington, California, Alaska and Hawaii are all examples of states in the west coast region of the United States.
The west coast region having the fewest thunderstorms is due to two main factors which are; coldness of the pacific ocean and the dryness of air in the region (Low humidity). These two conditions doesn't give room for the formation of any thunderstorm activity.
Enzyme b stays effective sr higher temps than enzyme a
Answer: Ice cores.
Explanation: Ice cores are commonly studied by scientists to find out what the climate was like decades and centuries ago.