Which of the following is true about photosynthesis? (1 point)
• it is an exothermic reaction.
• it is an endothermic reaction.
• it produces carbon dioxide.
• it occurs in animals.

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

If your blood becomes too concentrated with iona, what will happen to the red blood cells

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium