Question 1)
A wildfire destroys a large area of forest in the Yosemite National Park. The ash from the burned trees adds carbon to the soil,
and within a year young trees and herbaceous plants begin to reappear. Insects and small animals are able to return to the
area. After 5 years, many of the new trees are 10 feet tall, and some deer and even bobcats have begun to return to the area,
Which of the following does this scenario describe?

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer